R
Registering Gauge
The registering gauges shown in the illustrations are two of the best examples of this class of tools. They are manufactured by A. J…
Railroad Clocks
B. L. Vulliamy, 8vo, London, 1845. Treatise on Clock and Watch Making, Theoretical and Practical. Thomas Reid. 8vo, Edinburgh, 1826…
Royal E
Robbins, for himself and the firm of Tracy & Baker, case makers of Philadelphia, who were creditors of the defunct company. After the…
Rolling or Wobbling
The path of a pendulum in plan should be a straight line. Any deviation from this will affect the regularity of its timekeeping. A want of…
Rack Lever
A watch escapement, said to have been invented by Abbe Hautefeuille in 1734. The lever terminated in a rack, which worked into a pinion on…
Rating Nut
A nut placed upon the pendulum rod to complete the timing or compensation. RAYMOND, B. W. A Chicago capitalist and the first president of…
Regulator
The small steel hand or lever to the shorter end of which the curb pins are attached, and which by moving from side to side practically…
Remontoire
A kind of escapement in timepieces, in which the impulse is given to the pendulum or balance by a special contrivance upon which the train…
Repair Clamps
The magic repair clamps shown in Figs. 258 to 260, are used for holding various kinds of work in position, while repairing, soldering, etc…
Repeater
A watch which indicates the time by repeating it by means of gongs or bells. There are hour, quarter, half-quarter, five minute, and minute…
Repairing Repeating Watches
We will review the various kinds of repeaters we have met with, commencing with the simplest type, viz., the modern quarter repeater. Of…
Repeating Attachments
Fig. 272 illustrates the repeating attachment recently patented and put on the market by the American Repeating Watch Factory, of…
Resilient Escapement
A form of the lever escapement in which the lever yields, when pressed upon the outside by the impulse pin, and allows the pin to pass. See…
Rest
The T-shaped piece of metal attached to the lathe bed and on which the graver, peg wood, polisher, etc., is rested. It is also known as T…
Riveting Stake
A steel block, pierced with a number of different sized holes. See Staking Tool. ROBIN, ROBERT. A celebrated French watch and clock maker…
Roller Remover
There are numerous designs in the way of roller removers upon the market, but lack of space prevent description and illustrations of them…
Red Gold – Rose Cutter
A solution of copper cyanide in potassium cyanide is added to the gold bath in small proportions, until it assumes the color desired. A…
Rose Engine
A form of lathe in which the rotary movement of the mandrel may be combined with a lateral, reciprocating movement of the tool rest, the…
Rounding Up Attachment
The Webster rounding up attachment, shown in Fig. 277, is a very useful adjunct to the lathe. It is attached to the top of the slide-rest…
Rouge, Ruby Pin & Ruby Roller
See Red Stuff. The impulse jewel set in the roller of the lever escapement.