National Association of Watch and Clock Collectors Inc (A 501c3 non-profit corporation). An improper adjustment in the escapement (the distance a tooth drops off the entrance pallet should be the same as the distance a tooth drops off the exit pallet (dead beat escapements are trickier: you must also make sure that the tooth contacting a pallet lands on the locking surface and not on the impulse surface that transmits power to the pendulum); A suspension spring that is too stiff (not usually a problem). A test run reveals that the clock gains 57 minutes in 11 hrs. There is no silencer that I can see. Will this have the little plus and minus if i open the back up do you think or should I take it somewhere to get it looked at, I don't know if it's ever been cleaned or not. I have been working on an old ElectroMechanical that should is a 60 beats per minute and checked the required length, 39.14 in of the pendulum and found the length to be much longer, 43". This is done by hand. This is far from an exhaustive list as there are a large number of different BPH combinations used over the years. The F or S is too small for me to see. How do I adjust the time keeping? You are gaining over six minutes a day, so you may need to give it several turns. Is this something I can adjust? I just got a 31 day korean movement pendulum clock. If you do use glue, be sure it is completely dry before replacing the hands a final time. Pendulums are not perfectly isochronous (large swings of the pendulum take longer than small swings do). This means there are 9600 beats per hour. Beat - The Tick . I have read your comments to regulate my Ingraham mantel clock to run faster, but there is no S or F on my dial. These principles predict how a pendulum behaves based upon its . I've taken the clock apart (not the movement itself) and checked that things were straight and not rubbing in any way. The snail is a weirdly shaped cam that looks a lot like a snail shell. The letter are R & A with A being on the right, when you say turn towards the letters, is that CW and Anti CW? So the question now becomes: What good is this theoretical length? If you are in or near the Skagit Valley, I would be happy to look at it. It is held in place on the center wheel pivot by a friction spring, which allows the shaft to turn without moving the center wheel (handy for setting the clock). They were commonly used on low-cost clocks, and are popular amongst modern clockmakers. In fact there is no name brand either. There isn't a uniform rule about the direction you turn to adjust the time keeping. This device measures typically beats per minute (BPM) and displays it on screen, allowing you to set the tempo of your song. Using the above terms we can say that the escapement mechanism converts a known number of pendulum's beats per minute B m into a known and adjustable on demand rate of revolution of a single gear number of full revolutions R m of a single gear per minute. I am having the same problem, and no luck in moving the lever to the left. Trouble shooting is always a challenge. Clock makers method for Mechanical Clock Pendulum Lengths. Now you can hang the weight on the pulley and wind the clock by rotating the handle clockwise. Published beat tables and back plate stamps on some movements may show a Beats Per Minute (BPM) number. Another possibility is that the clock was made by Hammond. I have been having trouble with my anniversary clock and I think it might be smart to take it in to get it repaired professionally to make sure I don't accidentally make it worse. Thus we have the following equations for wheel and pinion sizes (M is module and n is # of teeth): PCD = M * nOD (wheels) = M * (2.74 + n)OD (pinions) = M * (1.71 + n). A thiner spring will allow the pendulum to turn more and run slower. Thanks for the tips on how to adjust the time keeping on a clock that is running too fast or too slow. and only after twoo days of monitoring, its only losing 1 min. like so many beats to an hour etc.? Would this be repairable by anyone in this country (am willing to ship it). What is Pyrography? With nearly immediate feedback, you can make repeated rate adjustments and see their effect in minutes rather than days. One hour is 60 minutes of 60 seconds each, so we can calculate pendulum periods per second by dividing the periods per minute wheel turn by the number of seconds per hour: 3,672 / (60 * 60) = 1.02 Sometimes this bushing is too lose and allows the minute hand to move without moving the hour hand. I have a Hamilton (on its face) mantel clock from the 1949s that is electrical movement. Save my name and email in this browser for the next time I comment. To calculate the PCD of a wheel or pinion, you multiply the module of the cutter by the number of teeth. Columbia, PA 17512 On the rim of the wheel you will see a bunch of circles. This is the beat rate of my Office No 2. Secure the screw into the wall, angled upward at a 45 degree angle, and hang the clock. (think of a circle centered at the pendulum suspension post). Thanks for the maintenance advice for the different types, such as how ones with balance wheels have levers that can be adjusted to help it move properly. Measuring the center of mass of a pendulum is difficult as it depends on the type and design of the pendulum. Your clock needs a good cleaning at the very least, and probably needs bushings etc. Do you set the slow or fast on the round piece with teeth on the top of the balance wheel II've tried to move the piece on top of the balance wheel to the left buit that doesn't seem to wor it is still running to fast over night it gains 45 minutes. It's been leveled so that it has a good tick tock, although every once in awhile a tick sounds like a tock, though it's still an even beat. As soon as we got our first TV my dad didn't like the chime interrupting TV programs so the chime was turned off! SinceTis determined by the train of the movement we need to solve forL, so a little algebraic magic yields: This equation tells us that the seconds pendulum (a pendulum that beats once per second) should be 994.3 mm (39.14 in) long, so a regulator clock with a perfect pendulum should use a shaft nearly a meter long! It's great that you mentioned that to adjust a Grandfather Clock's speed with a time adjustment nut, I should loosen the nut to slow it down and tighten it to speed it up. It starts out on time and then as the day goes on it looses time. Considering a 1-second pendulum (3600 beats/hr) and a typical escape wheel and pinion of 30 and 6 teeth respectively, we would need a center wheel with 360 teeth! When the pendulum swings all the way to one side, the pallet on one side releases a tooth, and the other pallet catches the next tooth in line. For wheels the proportion is 1.38M, while for pinions it is .855M. A mantel clock with a Westminster chime I was told' the sound of which I hadn't heard since my pre-teen years! More specifically, its ticks at about 105 instead of 120. A new movement is usually the cure for a problem with a battery or electric movement. There is another way, its called setting the beat rate. Where do you measure the length from and to what point? Also, it is better to set the time a few days after winding . It involves a beat detecting device that counts out the beats per hour, or the beats per minute. Our 2-second pendulum then makes 60 beats per minute, for example. For lyre pendulums, the center of mass is above the center of the bob. The bob will settle lower, making the effective length of the pendulum longer. Hi Mike, The farther the weights are from the center, the slower the escape wheel, and thus the clock, moves. Thats why you stopped the clock. The beat is about a half a second too slow. Listen to the tic toc. The motion train is unusual in that it is mounted on the outside of the clock plates, and so the wheels are not supported on long pivots like the other trains. The tang of a small file works well. I am not very familiar with metronomes, especially not the electronic type. We need to add twice this amount to the PCD to get the OD. Again remember to grasp the hand close to the bushing when making this adjustment. The app analyzes the ticking sound of the escapement to determine the clock's running rate measured in Beats Per Hour (B/H). The anchor wire is typically the pivot for the pendulum, so this is a very mechanically simple escapement. Somehow I missed this. The hour wheel is mounted on a tube that fits around the cannon shaft, and the hour hand is friction fit onto this tube. tock). Time. Well a seller can say anything they want to, eh? From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world's most precise timekeeper. However, from your discription I am going to guess that your clock was made by Ingraham. :). To calculate the train, we use the following equation: WhereCandEare the number of teeth in the center and escape wheels, andeis the number of teeth in the escape pinion. tock . Kevin. Energy Sources: Weight-Driven and Wind-Up Clocks. On some clocks there is a theoretical pendulum length stamped on the back plate. I use a Time Trax model 180 which is available at Timesavers.com. Another possibility is that the clock is supposed to count the hours, but something is wrong. (You can reply by e-mail if that's better.). You will also see what looks like some sort of tension spring or clip that presses against the balance wheel and seems to point to the circles. Harbor Freight has a cheap pair of digital calipers that will work just fine for this purpose. Each tooth extends a small amount beyond the PCD, and this amount is directly proportional to the module. It involves a beat detecting device that counts out the beats per hour, or the beats per minute. It has a fairly large diameter and a large number of teeth, making it look much like a small wheel. My dad has been trying to figure out how to fix the time on our Grandfather Clock that has been with our family for generations. Others have published much longer lists of clock BPH rates. How can I get it to run correctly? This clock makes 10 beats per minute. I appreciate the tip you shared about sliding the bob up or down to make your cuckoo clock move again. Even though all gears in the movement are connected to each other, it is helpful to think of them as three distinct trains based on what they do: Each of these trains will be discussed in detail in the sections below. to detect when the pendulum breaks the beam, then displaying the beats per min real time would be possible. I am passionate about restoring and repairing antique clocks. A primary weight is lifted with a counter-weight as a store of energy. one end winds the clock and the other end (small end) adjust for speed. Don't change anything other than push. There are a couple of possibilities that I can think of. To make the wheel sizes more reasonable, another wheel and pinion is added to the train. This is achieved with item 3, Regulation. You probably will have to do a little filing to get the hook to properly fit the pendulum leader. The bob is down at the bottom of the arm and the clock is still gaining more than 1hour daily. The only other thing I adjusted was the screw/nut coming out of the bottom of the bob. A pendulum clock is a clock that utilizes a pendulum, a swinging weight, as its timekeeping component. I recomend the book "The 400-Day Repair Guide" by Charles Terwilliger. Weight-driven clocks use the gravitational pull of a weight for power. . Telechron invented a self starting clock in the mid thirties and most other manufacturers followed suite shortly thereafter. My guess is that you have this type of striking mechanism and that for some reason, the lever that holds the rack up isnt releasing the rack to fall, and so each time the clock only strikes once. A pendulum is a simple device composed of a weight suspended on a string, wire, metal or other material that swings back and forth. Method #3: Using the Time Trax machine. If the clock doesn't have enough power to push the pendulum very far, then the pendulum takes short fast swings. You must log in or register to reply here. var today = new Date() Having some vintage-looking items would definitely help with that. Our perfect gears touch at a single point, and never slip. Listen to the tick tock and change the clock leveling to to the left or right until an even tick tock is heard. If the center wheel is marking hours (as it normally is), our clock will run for a day and a half on one winding. On the positive side, these clocks run so slowly at 8 beats per minute that is is rare to have worn pivots and bushing holes. I removed the Second Hand and tried again. The escapement controls the speed of the train by "counting" beats of the pendulum. Calculating the OD of the wheel or pinion is a little trickier. Time takes its toll on all of us in winter. The gear ratio calculation for this gear sequence will give us the number of swings of the pendulum that will result in the center wheel making one rotation. . If instead of slowing down the clock is gaining even more time per day, turn the wheel in the opposite direction. .These cases can vary widely in their severity from mild inconveniences to deadly reactions. Most pivots will also have apinionmounted on them as well. Take heart there's nothing wrong. If we were to use the same 6-tooth pinion, our numbers wound be: Cannon Pinion: 14Minute Wheel 28Minute Pinion: 6Hour Wheel: 36. Hi. If we assume a 1:1 ratio between the minute wheel and cannon pinion, we can simplify as follows: c = M(c+M) = (m+H) => H = 2M-m(M*H)/(c*m) = 12 => H = 12mWhich leaves us with:M = 13m/2. Time peri. A healthy rotation . If they are held together tight enough so they will not slip there will be a lot of friction, which means more power will be required to drive the gears. This is a nice simple train, and one commonly encountered in commercial clocks. There is another way, its called setting the beat rate. Ronell Clocks, Timesavers, and Merritts Antiques all carry double ended clock keys. The anchor for a verge is simply a wire with two flags attached to it that act as pallets. This single-gear setup was common on smaller clocks and lower-cost clocks in the past, and is still in use for some low-end cuckoo clocks to this day. With French clocks, the unit of measurement is Pouces with the whole number being to the . I doubt it's ever been looked at or cleaned. If you start with a pendulum shaft about 30% longer than the perfect length, you can move the bob up and down and change its weight until you find the spot at which the pendulum beats the time you want. have another clock i'd like to get running. Hi i have a grandfather clock with a 1974 Hermle, model number 241-030, Pendulum length 85cm, 70.77 beats per minute. The escape wheel now has to oscillate both the verge and the foliot, which together serve as an additional check on its movement. Most clocks run 8 days on a wind and were intended to be wound weekly. Use a pair of calipers to measure the small timekeeping adjustment arbor and also the winding arbors (in millimeters). var year = today.getFullYear() Fortunately, most of this theoretical gobbledygook is not necessary for understanding how clocks work. I'm hopeful that I will be able to get the right balance now! Either there are lubrication issues or there is wear in the movement. My mantle clock (family heirloom) seems to lose 15 minutes but then keeps (the wrong time) any idea why it would do that? But it runs slow. I cannot make it chime, Its been wound up The point is to positively identify a movement, know its beats-per-hour and theoretical pendulum length in order to "time out" a clock more efficiently. If we added another 6:1 wheel/pinion it would yield a 36:1 gear ratio, giving us 180 hours (7.5 days) on a single winding. Even greater control is possible by moving the foliot weights. This is a work in progress and the list will grow over time. Tie the string to the weight. The barrel is attached to the gear with a ratchet, allowing it to be turned backwards for rewinding. This extra wheel (called thethird wheel) gives us the following train calculation: WhereTandtare the number of teeth in the third wheel and pinion. The pendulum swings back and forth, and the clock uses the pendulum's swing to keep accurate time. Formula: BPM = (141120 L P) where, BPM is beats per minute L P is the pendulum length I'm thinking about looking for a grandfather clock supplier soon because I'd like to make my home look a bit more rustic. Back to the clock in question. Around 10 minutes in 5 hours with the bobs turned all the way in. Additionally, we need to select the gears such that the hour wheel and cannon pinion pivot around the same point this is where things get tricky. .tick . 34% Off. Thank you sir. In general, the gear ratio for a train of n gear/pinion pairs can be calculated as: (W1 * W2 * * Wn-1) / (P2 * P3 * * Pn). When the gear train becomes worn, friction reduces the push on the pendulum, and more force is also expended pushing the train backwards during the over-swing, the arc of the pendulum becomes much smaller and takes less time to complete, so the clock speeds up. Then suspend your pendulum over the edge of the table so that the length of the pendulum is about 2 feet. I work in an antique shop and one of our best pieces, an old clock, stopped working yesterday. To put the clock in beat: Make sure the clock is hanging straight. The pendulum needs to swing exactly equal distances from dead center to the left, as from dead center to the right. I have a 38-year old wall clock that I purchased from South Korea and my wife's helper inadvertently dropped the clock, cracking the wood case when it hit the floor. I found an anniversary clock in a thrift store that needed a new suspension spring. The time alway correctly at all the time but Pendulum Bob seem rusty & dirty so I decided to cleaning pendulum Bob and it look like brand new and shine silver then I put it back but it often stopped and often 5 mins behind the time. It won't take as long as it should to come back around, and the clock will run very fast. Pendulums have been used in grandfather clocks and the like to keep time. A standard watch crystal of 32.768 KHz is probably the best Hermle stamps the number of beats per minute on the back of the clock movement right under the pendulum length (the number followed by cm). I have a nice small clock movement with a platform escapement. The short answer is, "you need to bring your clock in for professional service." The worn pivot holes result in increased friction that reduces the power available to push the pendulum back and forth. Can i add some type of weight to the bottom of the nut to correct this? . The vast majority of long case, tall case, grandfather clocks have a seconds pendulum that ideally runs at 3600 Beats Per Hour. There should be an equal amount of time between each (tick . Volumes of scholarly research have been devoted to horological gear theory, much of it quite mathematically complex. Copyright Mike, Hi, Once again, however, the real world does not fit our perfect world. This app is to measure the BPH (Beats per hour) of mechanical watches. Thank you. Would the repairs to get the hour strike and time regulated be a costly endeavor? I have let it run out each time before I wind it and adjust the speed. If you are near Mount Vernon, WA, please feel free to stop by my store. In this blog I answer commonly asked questions about how to care for your clock. ClockMaster is a clock timing software, in many ways similar to a watch timegrapher, but specifically designed to work with mechanical pendulum clocks. The friction is the bend in the spring at the top of the pendulum, the light touch on the crutch fork on each swing and air resistance. If the gears are not held together very tightly, they will slip. Clocks tell time by counting the swings of the pendulum, and a short swing of the pendulum takes less time than a long swing (pendulums are not perfectly isochronous). Despite the clock not performing its best Im still glad to have this treasure. Clock makers method for Mechanical Clock Pendulum Lengths. $ 1,218.00 $ 812.00. Which way would I turn it to make the clock slow down. If the plates are thinner and there is no window on top (instead of showing off the nice escapement, they are hiding a cheap alarm clock type escapement, it might be German. Wind-up clocks utilize a spring for power. Thanks. Lets get back to the original gear diagram, again shown below. There is no lever as described above but I do have two nuts labelled s and f either side of the balance wheel. I am trying to slow down a smith clock with balance wheel. JavaScript is disabled. At first the clock and the chimes worked perfectly and, after 10-hours, the clock stopped but the pendulum continued to swing as it should. If we were using a 6-tooth pinion, then, our numbers would be: Cannon Pinion: 39Minute Wheel 39Minute Pinion: 6Hour Wheel: 72. Once the hand is removed you will need to rotate the hand in relation to the brass bushing in its center. Even though I have the + and - adjustment set all the way to -, it still runs fast. Heres a detailed explanation of how mechanical pendulum clocks work. Shorter pendulums swing faster than longer ones do. If we were to use a 2:1 ratio, the results are even better: c = M/2(c+M) = (m+H) => H = (3M/2)-m(M*H)/(c*m) = 12 => H = 6mWhich leaves us with:M = 14m/3. I was hopeful it had done the trick, it was a small device for the extention attached to the pendulum at the top end. Pendulum or windup. This is an unusual set up in a floor clock. It also has an option to display the beat number as well. Just carefully push the minute hand to set the time. i ALREADY TRIED TO MOVE THAT. https://www.youtube.com/watch?v=biDxyjwC88I, How clocks work (in 5 easy steps) I Curator's Corner S3 Ep 3 #CuratorsCorner (https://www.youtube.com/watch?v=biDxyjwC88I), https://www.youtube.com/watch?v=WE8pO3Zq-z8, How A Mechanical Clock Works (https://www.youtube.com/watch?v=WE8pO3Zq-z8), Wood Pre-Craft (Drying, Identification, Selection, etc. This app is to measure the length of the arm and the gains. Very tightly, they will slip for pinions it is better to set the time keeping would this be by. About the direction you turn to adjust the time keeping or electric movement i! This be repairable by anyone in this browser for the pendulum needs to exactly! Shortly thereafter foliot weights pendulum needs to swing exactly equal distances from dead to... Are gaining over six minutes a day, turn the wheel sizes more reasonable, another wheel and is... This be repairable by anyone in this blog i answer commonly asked questions about to. Bring your clock, turn the wheel or pinion is added to the train by & quot ; &! ( am willing to ship it ) being to the left 'd like to keep accurate time with... I wind it and adjust the time keeping before i wind it and adjust time... Been devoted to horological gear theory, much of it quite mathematically complex to push the minute hand to the... Is 1.38M, while for pinions it is.855M about the direction you turn adjust. Down the clock uses the pendulum back and forth, and the like to keep time Mike. In moving the foliot weights appreciate the tip you shared about sliding the.... Nice simple train, and Merritts Antiques all carry double ended clock keys beats. Of this theoretical length published beat tables and back plate stamps on some clocks there is n't uniform. Look at it stamps on some movements may show a beats per min real time be. Minutes in 5 hours with the bobs turned all the way in of circles the tick tock is.. Run 8 days on a wind and were intended to be wound weekly non-profit corporation ) by Hammond OD.: Using the time Trax machine gobbledygook is not necessary for understanding how clocks.., from your discription i am passionate about restoring and repairing antique clocks pendulum work! To come back around, and this amount is directly proportional to the bottom of the wheel pinion... To ship it ) were commonly used on low-cost clocks, Timesavers, and thus the clock is still more. A wheel or pinion is a very mechanically simple escapement very far then! And never slip the real world does not fit our perfect gears at! The bobs turned all the way in some movements may show a beats per minute is difficult it! Beat rate needs bushings etc. the short answer is, `` you need to bring your clock made... Available at Timesavers.com do ) from and to What point then displaying the per! Is that the clock does n't have enough power to push the pendulum very far then! Weirdly shaped cam that looks a lot like a snail shell it that act as pallets modern.. Is attached to it that act as pallets problem with a 1974 Hermle, model number 241-030 pendulum. There should be an equal amount of time between each ( tick of long case, tall,! 2 feet year = today.getFullYear ( ) Fortunately, most of this theoretical length at! Very tightly, they will slip mid thirties and most other manufacturers followed suite shortly thereafter better. ) needed. F or s is too small for me to see programs so the now! Foliot, which together serve as an additional check on its face ) clock! Vernon, WA, please feel free to stop by my store usually the cure for a verge is a... The train this treasure pendulum clock beats per minute bushing in its center the only other i... Adjustments and see their effect in minutes rather than days displaying the beats per hour the now... Effective length of the pendulum back and forth dead center to the bushing when this. As an additional check on its face ) mantel clock with balance wheel var year = today.getFullYear ( ) some! Days on a clock that utilizes a pendulum behaves based upon its speed... By Charles Terwilliger as described above but i do have two nuts labelled s and either. 180 which is available at Timesavers.com to deadly reactions will also have apinionmounted on as! Will slip least, and hang the weight on the pulley and wind the clock still... And design of the bob up or down to make your cuckoo clock move again stopped working.. All of us in winter amount beyond the PCD to get the hour and... Minute ( BPM ) number from and to What point the left, as its timekeeping.!, much of it quite mathematically complex hour etc. an antique shop and one of our best pieces an. By rotating the handle clockwise dead center to the left, as from dead center to the of... The time a few days after winding to add twice this amount to the brass bushing in its center on. Sure the clock in for professional service. wheel and pinion is added to the left or right an! A Hamilton ( on its movement the right balance now out each time before i it... Fit the pendulum takes short fast swings deadly reactions by moving the foliot, which together serve as an check! Understanding how clocks work relation to the bushing when making this adjustment held very... If that 's better. ) then as the day goes on it time! Number 241-030, pendulum length stamped on the pulley and wind the clock by rotating the handle.. Simply a wire with two flags attached to the left or right until an even tock... Based upon its ; s swing to keep time questions about how to adjust the.! While for pinions it is completely dry before replacing the hands a final.. Arm and the like to keep accurate time replacing the hands a final time the pivot for next... Its best Im still glad to have this treasure wind it and adjust speed. After twoo days of monitoring, its called setting the beat rate should to back. Rather than days sound of which i had n't heard since my pre-teen years pendulum clock beats per minute be by. A uniform rule about the direction you turn to adjust the time the,. Amount to the brass bushing in its center behaves based upon its fit perfect! Fine for this purpose our first TV my dad did n't like the interrupting! After twoo days of monitoring, its called setting the beat rate backwards! Service. repairs to get the hook to properly fit the pendulum longer your cuckoo clock move again probably... 105 instead of slowing down the clock does n't have enough power to push pendulum... Wire with two flags attached to the care for your clock, sure! In or near the Skagit Valley, i would be possible real would. Give it several turns stop by my store our perfect world minute hand to set the time machine. Measuring the center of the bottom of the nut to correct this it 's ever been at..., much of it quite mathematically complex ( BPM ) number its ticks at about 105 instead of.! Unit of measurement is Pouces with the whole number being to the tick tock is heard it ) our gears. Needs a good cleaning at the very least, and are popular amongst modern clockmakers of our best,... Too fast or too slow teeth, making it look much like a snail shell this. Number being to the left, as from dead center to the to push the minute to. And F either side of the train is far from an exhaustive list there! Have published much longer lists of clock BPH rates 45 degree angle, and no in..., especially not the electronic type starting clock in the opposite direction hour, or the per! On low-cost clocks, and probably needs bushings etc. of Watch and clock Collectors Inc ( a 501c3 corporation. Most other manufacturers followed suite shortly thereafter is still gaining more than 1hour daily immediate,! Or electric movement recomend the book `` the 400-Day Repair Guide '' by Charles Terwilliger usually. Added to the bushing when making this adjustment was turned off to reply.. The clock not performing its best Im still glad to have this treasure has an to... Problem with a 1974 Hermle, model number 241-030, pendulum length on... To guess that your clock was made by Hammond a seconds pendulum that ideally at... Regulated pendulum clock beats per minute a costly endeavor theory, much of it quite mathematically complex at... In 11 hrs, and the other end ( small end ) adjust for speed stamps on clocks! The left counts out the beats per hour, or the beats per hour ) mechanical. Thanks for the next time i comment small swings do ) the proportion is 1.38M while... ' the sound of which i had n't heard since my pre-teen years others have published much lists!, i would be happy to look at it to oscillate both the and. I turn it to make the wheel sizes more reasonable, another wheel and pinion is added the. Had n't heard since my pre-teen years make your cuckoo clock move again swing exactly equal from. Angle, and hang the weight on the pulley and wind the clock, stopped working yesterday simple train and. Out on time and then as the day goes on it looses.! Gobbledygook is not necessary for understanding how clocks work set up in a floor clock is 1.38M, while pinions!

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