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Jewelers' Cement
Put in a bottle 2 ounces of isinglass and 1 ounce of the best gum Arabic, cover them with proof spirits, cork loosely and place the bottle…
Jeweling Chuck
The Hutchinson Jeweling Chuck, which is shown in Fig. 77, is intended as a substitute of wax, when manipulating jewels. The cut represents…
Johanson
The engraving shows the full size of the tool, which consists of a steel plate mounted on feet, and pierced with a number of holes for the…
Jacot Pivot Lathe
A tool used but little in this country, the American lathe and its attachments having superceded it. It is used for reburnishing and…
Japanese Clocks
The Japanese use a clock which divides the day into twelve hours, and an attempt is made to follow the variations of the solar day, so that…
Jewel
In watch work, a stone having a hole pierced in it for the reception of a pivot. To Nicholas Facio, a native of Genoa, is attributed the…
Jewel Holder
This tool, which is shown in Fig. 179, is intended for holding jewels when cleaning and manipulating, and is far superior to the ordinary…
Jeweling
The act of fitting in jewels for pivots to run in, to diminish wear of the acting parts. Sapphires and rubies are used in the better class…
Jeweling Tool
Fig. 182 illustrates Hutchinson's Automatic Jeweling Tool. To cut a setting for a jewel, place tool in tail-stock and taper in head of…
Jeweling and Staking Tool
Hopkins' patent jeweling and staking tool, shown in Fig. 183, is an ingenious device, and one that will be found very useful to the watch…
Jeweling Caliper Rest
This tool will be found very useful for setting. jewels in plates or settings, in counter sinking for screw heads, opening wheels for…
Jewel Pin
To set a jewel pin in the table roller (of American watches) correctly, is a difficult task. Where the jewel pin is broken off, you will…
Jewel Pin Setter
Fig 188 illustrates the Logan patent. It is an excellent tool and will save the workman considerable time and much annoyance by its use…
Joint Pusher
A small piece of tempered steel wire mounted in a wooden handle and used for inserting and removing joint pins. JURGENSEN, URBAN. He was…