Q&A

How does an anniversary clock work?

How does an anniversary clock work?

A torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. The torsion pendulum rotates about the vertical axis of the wire, twisting it, instead of swinging like an ordinary pendulum.

How do I reset my anniversary clock?

To set the correct time, simply use your finger to turn the minute hand until you reach the correct time. Since most anniversary clocks do not chime, you can turn the minute hand in either direction to reach the correct time.

Why is it called an anniversary clock?

The “anniversary clock” is called that because it’ll run for about 400 days on one winding, so you can wind the thing on your wedding anniversary, perhaps making a celebration of the ritual.

Do anniversary clocks need batteries?

These ornamental clocks with glass domes and openwork mechanisms graced mantels and fascinated onlookers. Their openwork mechanisms literally showcased the passage of time because the pendulum movement was visible. “Anniversary clocks” still stands, because in most cases, the batteries need replacing about once a year.

How do you lubricate an anniversary clock?

You may be able to extend the interval between servicing without causing damage by periodically applying a very small amount of clock oil with a small artist’s brush or pen oiler to the gears’ pivots (the thin ends of the gears) where they extend through their bushings (holes in the plates), on both the back plate and …

Why does my pendulum stop swinging?

The reason a clock pendulum often stops swinging, after being moved, is because the clock case now leans at a slightly different angle then it did at its former location. A clock is “in beat” when the tick and the tock are evenly spaced.

How can I speed up my anniversary clock?

To slow down the clock, loosen the adjustment nut (turn it toward your left). The bob will settle lower, making the effective length of the pendulum longer. The clock will run slower. To speed up the clock, tighten the nut (turn it toward your right).

How do you set the chimes on an anniversary clock?

Insert 2 Duracell AA batteries (observing the orientation shown on the drawing). Push the TEST button once and the clock will strike 6:00. Count the number of hours from 6:00 a.m. until the last full hour of the actual time, and press the TEST button that number of times. Your chime is now programmed.

What does an anniversary clock look like?

Anniversary clocks are table top clocks in a glass or crystal case that allow you to see its inner workings. They are typically made of brass and have a rotating pendulum with three or four brass balls that whirl like a crazy merry-go-round beneath the clock face. Some clocks have a brass handle on the top.

Why do clocks have pendulums?

pendulum, body suspended from a fixed point so that it can swing back and forth under the influence of gravity. Pendulums are used to regulate the movement of clocks because the interval of time for each complete oscillation, called the period, is constant.

Do you oil an anniversary clock?

You just want to barely wet the pivots. Do not use any other type of oil, and never spray the movement with WD40. Oiling a dirty movement and then running the clock may accelerate wear to pivots and bushings.