G
Glass and Metal Cement
Brass letters, and other articles of a like nature, may be securely fastened on glass windows with the following: Litharge, 2 parts; white…
Gold and Silver Colored Cement
For filling hollow gold and silver articles. Consists of 60 parts shellac, 10 parts Venetian turpentine, and 3 parts gold bronze or silver…
Gold Polishing Powder
Mix together 4.3 parts of alumina, 17.4 of chalk, 4.3 of carbonate of lead, 1.7 of carbonate of magnesia, and 1.7 of rouge. Polishing Paste…
Gold Baths
Both warm and cold baths are used, the former being preferable, as they yield denser depositions, require less strength of current, and…
Green Gold
Add cyanide or chloride of silver to the gold bath, until it assumes the desired color; or suspend silver anodes beside the gold anodes…
Galileo
A celebrated mathematician, born 1564, who discovered the use of the pendulum. It is related that one morning he was in church and saw a…
Gas Heater
This heater, shown in Fig. 138, is to take the place of a forge in heating and tempering small articles. With a full pressure of gas, a…
Gauge
An instrument for determining dimensions or capacity. The watchmaker cannot be too careful in the selection of his measuring instruments…
Gerbert
By some authorities accredited with the invention of the escapement and the application of the weight as a motive power for clocks. He was…
Gimbals
A contrivance for securing free motion and suspension of a ship's chronometer, compass, etc., so that it may not be affected by the motion…
Going Fusee
A fusee having the maintaining power attachment. All modern fusees have a maintaining power which drives the train while the fusee is being…
Gold Alloys
(See Alloys.) To Distinguish Genuine from Spurious Gold. Genuine gold dissolves in chlorine water and the solution has only a slightly…
Gold Spring
A very thin spring made of gold, attached to the detent of a chronometer escapement. See Chronometer Escapement. GRAHAM, GEORGE. Born in…
Graham Escapement
An escapement invented by George Graham, in which the locking faces of the pallets are arcs of a circle concentric with the axis of the…
Graver
A steel cutting tool used for engraving, turning, etc. The "Guaranteed" gravers, shown in Fig. 154, are unique from the fact that they cut…
Gravity Clock
This is a large glass clock dial, with a stud fixed in the center on which revolve two hands, as shown in Fig. 155, without any visible…
Gravity Escapement
An escapement is which the train raises a lever a constant distance, and the weight of the lever when returning to position gives impulse…
Great Wheel
In the fuzee it is the toothed wheel which transmits the power from the fuzee to the center pinion. In the going barrel the toothed portion…
Geneva and Neufchatel
He returned to Denmark in 1801, and was offered a partnership with a very clever artist, M. Etienne Magnin, who for some years had enjoyed…
Gold Solders
Gold solders should approach the articles to be soldered in both color and fusibility as nearly as possible. The following gold solders are…
Gilding – Gyrate
(See Electro-Plating.) A barrel having teeth around its circumference for driving the train. All American watches are of the going barrel…