open pocket watch drawing

Though throughout evolution it wasn’t long before it all but disappeared. It also took up any slack space. S BALANCE. SECRET SPRING. SIX-HOUR DIAL.

Credit is given to J. M. Pouzait, who developed this design in 1776.

Whenever the detent is lifted, the striking train runs, allowing the watch to strike as many times as possible before the detent falls into the next slot. BRISTLE. - A fusee with maintaining power. See consular case. FRICTIONAL REST ESCAPEMENT. Also called the dead-beat verge or Ormskirk escapement, after the English town in Lancashire where this escapement was popular in the early 1800s. UNDER-DIAL WORK.

This type of wheel is used with a click and spring.

- A type of lever escapement that uses a second roller for guard action. The going train deals with timekeeping, while the striking train deals with marking the hours. JUMPING-HOURS. - Used to maintain marine chronometers in a horizontal position no matter how the ship moves. REMONTOIRE ESCAPEMENT. See consular case. - The hollow cut in the roller of a lever escapement that lets the dart or guard pin pass.

The index dial known as the rosette or figure plate provided a guide, though the numbers on it were arbitrary. HALF PLATE.

FLAGS. SET-UP. The term is also used for gilded brass. - The spring that creates the driving energy for the striking or going sides of a watch movement.

- A single beat escapement introduced in the 1700s by a French watchmaker named Robin. An insanely beautiful tattoo design that has the pocket watch within the geometric shapes.

Before the comb was developed, a set of bells was used to produce the music. TOUCH PINS. If the balance’s equilibrium is not affected by position change. This spring sends impulses to the balance.

The watch movement swings out from the front of the case when the bezel is opened. - A dial designed with the metal cut away to expose the movement, leaving only the hour and minute ring. CONSULAR CASE. Vector vintage engraved illustration. A second hand in the centre of the dial with the hour and minute hands. - Also called centre seconds. A small disc mounted on one arm of the balance is visible through an aperture as the balance moves, resulting the the appearance of a pendulum. This is a watch case with a double bottom that has been fitted with a high, rounded glass. These beautiful pocket watches are just like lockets; they hold secrets of another time. Several systems were developed during the 1800s. This was done almost universally using Tompion’s development of a segmental rack, which followed the outer coil of the spring. What made it different from other balance springs was the highest exterior turn of the spring was raised, preventing the spring from moving out of its rotational axis. When it reaches 60 minutes, it disappears so the next numeral can be shown. See above description.

- The wheel in a watch that swings back and forward in a regular beat, allowing the watch to maintain a constant time. J. - The compensation curb is a bar made of brass and steel that is fixed at one end. The duplex escapement was very popular in England for high quality watches in the early 1800s.

Duplex and chronometer detent escapements of of this type. The impulse pin is attached into the roller and works inside the notch of the fork. Used especially for the balance staff pivot.

A form of lever escapement that has the roller carrying two pins, which function to unlock the escapement by using the fork. Lever escapements were divided into the English version, which had pointed teeth on the escape wheel, and the Swiss or continental version, with club teeth.

Before balance springs, regulation required an altering of the mainspring’s set up. There are two main types of pocket watches: open face and hunter-case.

Before the mid-1600s, the tangent screw and wheel were used instead of the ratchet wheel method to regulate and set the mainspring. REGULATION. DIFFERENTIAL DIAL. In this instance, the cylinder is called a ruby cylinder. - Part of the striking mechanism that allows the watch to strike the hours and quarters. A great sleeve design that has many elements including angel wings. This nautical pocket watch is all about the travels of the owner. This outlines the face of the watch. A key was needed to alter the curb pin positions so they either increased or decreased the length of the spring, causing the watch to gain or lose on its previous rate. Saved byMegan Reeder.

Sometimes this term also applies to the calendar, alarm work or striking if they are outside the plates. Once the impulse is complete, the next long tooth drops into place on the roller while the balance finishes its supplementary arc. Ever wonder what that term or description of a watch or clock part means? Named after George Savage.

They were the most common type of watch from their development in the 16th century until wristwatches became popular after World War I during which a transitional design, trench watches, were used by the military. A great tattoo design that you are sure to love because of the bright colors. Copyright © 2000-2020 Dreamstime. - This is an escapement where the impulse is powered by a spring kept tensioned by the going train. GOING BARREL. A safety device found in lever escapements located near the balance. PIROUETTE. Usually fixed to the balance cock with screws. - A repeating watch that allows the mechanism to be set in motion to mark the time by hammers striking a block, a gong or bells located within the watch case. See regulation. DUMB-REPEATER. - Pins located at the hour positions. - In watch terms an arbor is an axle used for any gear wheel or winding wheel. Some call it the potence plate. It gathers one tooth of the rack. ORMSKIRK. - Produced in Switzerland in the late 1700s, these watches had a separate mechanism that could be set in motion on the hour or at will that produced a musical tune using a steel comb on a pinned barrel. MAINSPRING.

Remember, the position of these lines determines the time shown on the watch.

BASSE-TAILLE ENAMEL. BARROW’S REGULATOR. Selling price : $316 (eBay 7/19) pbombaert / Getty Images Steps are cut into the snail, allowing it to determine how far the rack may fall when released, and how many blows are struck each hour. In watches, this refers to repeating watches that have figures appear to strike bells, but in reality, the normal mechanisms inside the watch cause the sounds that mark the time. - A large, accurate watch used on ships to calculate the ship’s position. Another great tattoo design that incorporates pocket watches. - Also called coloured gold. See hunter.

AUTOMATON WATCH. Hi! Very few watches made by George Savage have survived. - A blade in the chronometer escapement that carries the locking jewel.

- Popular in the late 1600s and early 1700s, the dial has a sun on one half and a moon on the other. TAILLE DOUCE. A roller could refer to either a single or a table roller. ADJUSTABLE POTENCE.

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