"This is done in the mechanism of the watch, of which a, is the barrel containing the power in the form of a convoluted spring, and b the fusee which acts as a varying lever, and through which motion is conveyed to the hands of the watch." -Comstock 1850

Barrel and Fusee

"This is done in the mechanism of the watch, of which a, is the barrel containing the power in the form…

"Other species, which also bore into timber in their larva state, are well known by the name of <em>Death-watch - Anobium -</em> from their habit of knocking with their jaws against the wood-work upon which they are standing, this being the call of the insect to its mate." &mdash; Goodrich, 1859

Deathwatch Beetles

"Other species, which also bore into timber in their larva state, are well known by the name of Death-watch

An illustration of a Roman Numeral clock showing 7:30.

Clock 7:30

An illustration of a Roman Numeral clock showing 7:30.

This dial features a clock face which is the part of an analog clock that displays the time through the use of a fixed numbered dial and moving hands. In its most basic form, the dial is numbered 1-12.

Watch and Clock Dial

This dial features a clock face which is the part of an analog clock that displays the time through…

An electric clock is a clock that is powered by electricity instead of powered manually or by other sources of energy, specifically in order to wind the mainspring or to drive the pendulum or oscillator.

Electric Energy Clock

An electric clock is a clock that is powered by electricity instead of powered manually or by other…

A piece in clocks and watches that converts rotational motion into oscillation, as in a pendulum.

Deadbeat Escapement

A piece in clocks and watches that converts rotational motion into oscillation, as in a pendulum.

"Waltham Lever Escapement. A device for the governing of speed is the one thing on which accurate time measuring depends." -Hill, 1921

Lever Escapement

"Waltham Lever Escapement. A device for the governing of speed is the one thing on which accurate time…

A piece in clocks and watches that converts rotational motion into oscillation, as in a pendulum.

Recoiling Escapement

A piece in clocks and watches that converts rotational motion into oscillation, as in a pendulum.

"A key is used to turn the cone, B. By doing so it wraps the chain around the cone and tightly coils the spring inside the barrel, A. The spring draws the chain off of the cone turning the barrel." &mdash;Quackenbos 1859

The Fusee

"A key is used to turn the cone, B. By doing so it wraps the chain around the cone and tightly coils…

A pictorial banner illustrated with a guard leaning on a ledge looking over the city.

Guard Sitting Looking Over Ledge Pictorial Banner

A pictorial banner illustrated with a guard leaning on a ledge looking over the city.

A shop in Lucerne, Switzerland selling Longines watches.

Watch Store in Lucerne, Switzerland

A shop in Lucerne, Switzerland selling Longines watches.

Watch making is a beautiful and complicated as the watch it's self. It was a process that required several small machines and measurement.

Watch Making

Watch making is a beautiful and complicated as the watch it's self. It was a process that required several…

An older adult male and a young girl walking together. The young girl is holding tight to the older male's coat while the man is holding on to his cane.

Man and Child Walking

An older adult male and a young girl walking together. The young girl is holding tight to the older…

An illustration of a man watching a tea kettle steaming in a fireplace.

Man Watching Tea Kettle

An illustration of a man watching a tea kettle steaming in a fireplace.

An illustration of a young man watching a lovely young woman walking along a path.

Man Watching Woman Walk

An illustration of a young man watching a lovely young woman walking along a path.

A Memograph is a clock that is designed to make a loud sound at a specific time. The primary use of these clocks is to awaken people from their sleep in order to start their days in the mornings, but can also be used for short naps; they are sometimes used for other reminders as well.

Memograph Clock

A Memograph is a clock that is designed to make a loud sound at a specific time. The primary use of…

An illustration of two men racing on horseback.

Horse Racing

An illustration of two men racing on horseback.

"Fill with carbon dioxide a large rubber toy balloon or other double-convex lens having easily flexible walls. Suspend a watch, and place yourself so that you can just hear its ticking. Have the gas-filled lens moved back and forth in the line between watch and and ear until the ticking is much more plainly heard. Use a glass funnel as an ear-trumpet." -Avery 1895

Sound Refraction

"Fill with carbon dioxide a large rubber toy balloon or other double-convex lens having easily flexible…

Reynard the Fox secretly watches as his father sneaks away after hiding the treasure in the woods.

Reynard the Fox: Hiding the Treasure

Reynard the Fox secretly watches as his father sneaks away after hiding the treasure in the woods.

An illustration of a man and woman sitting on a bench with a man standing be them.

Sitting on Bench

An illustration of a man and woman sitting on a bench with a man standing be them.

"The position of the true meridian may be found as follows: Point the hour hand of a watch towards the sun; the line joining the pivot and the point midway between the hour hand and XIII on the dial will point towards the south; that is to say if the observer stands so as to face the sun and the XII on the dial, he will be looking south. To point the hour hand exactly at the sun, stick a pin and bring the hour hand into the shadow. At night a line drawn toward the north star from the observer's position is approximately a true meridian." &mdash; Moss, 1914

True meridian

"The position of the true meridian may be found as follows: Point the hour hand of a watch towards the…

A small timepiece, to be carried in the pocket.

Watch

A small timepiece, to be carried in the pocket.

A watch with roman numerals.

Watch

A watch with roman numerals.

The chatelaine watch is designed to fit in a pocket. It is designed with decorative chains.

Ch√Ętelaine Watch

The chatelaine watch is designed to fit in a pocket. It is designed with decorative chains.

The chatelaine watch is designed to fit in a pocket. It is designed with decorative chains.

Chatelaine Watch

The chatelaine watch is designed to fit in a pocket. It is designed with decorative chains.

An illustration of a pocket watch.

Pocket Watch

An illustration of a pocket watch.

A watch that is carried in a small watch pocket

Pocket Watch

A watch that is carried in a small watch pocket

This stem winding watch is a mechanical watch which is wound automatically by the natural motion of internally rotating parts

Self Winding Watch

This stem winding watch is a mechanical watch which is wound automatically by the natural motion of…

A wheel with pointed and anglar teeth, against which a ratchet abuts, used either for converting a reciprocating into a rotary motion or for admitting motion in one direction only.

Ratchet Wheel

A wheel with pointed and anglar teeth, against which a ratchet abuts, used either for converting a reciprocating…

An illustration of a woman resting upon the window as she looks out.

Woman Looking Out of Window

An illustration of a woman resting upon the window as she looks out.

An illustration of a woman resting upon the back of a chair gazing into a fire.

Woman Watching Fire Place

An illustration of a woman resting upon the back of a chair gazing into a fire.