. 20th century catalogue of supplies for watchmakers, jewelers and kindred trades. :1 folicItch Is the second-h;h is the escape) wheels b itofth of adji theorical or gt inter of the whe watch is the th : wheel be- nd wheel, dial a houi-shour g; this nth : ?vheel, it has nothii not olve minuie, nor a fraction of .. , - _, definite multiple of a minute, and is used merelyto change the period of revolution from the centerarbor to the hour wheel. Kig, Wheel, Anulus—A wheel with a compara-tively larce hole in the center making u a Fig. 80. —Awheel having i
. 20th century catalogue of supplies for watchmakers, jewelers and kindred trades. :1 folicItch Is the second-h;h is the escape) wheels b itofth of adji theorical or gt inter of the whe watch is the th : wheel be- nd wheel, dial a houi-shour g; this nth : ?vheel, it has nothii not olve minuie, nor a fraction of .. , - _, definite multiple of a minute, and is used merelyto change the period of revolution from the centerarbor to the hour wheel. Kig, Wheel, Anulus—A wheel with a compara-tively larce hole in the center making u a Fig. 80. —Awheel having its teeth atan angle other than a right angle or parallel to its Wheel, Contrate-A wheel having its teethparallel to its plane,heel in form of a hollow cylinder having its teethble a crown, as a verge escape whe;l. The word is applied to many stem winding a crown but usually those call Wheel, Duplex-A whe. Is sometimes correctly when they resemblewn are contrate wheels, eeth, as a duplex escape vhich office of third or other wheel, mesh with the dnv- change the directionof the third called idle vheel. ting vheel c wheel arc called ispectively mtersi Th inter settingr Setting-heel 1 indii ch tha engages with the bet- e and is operated by the crown. Wheel. Winding—The wheel which tvith the winding mechanism in -winding watches and is operated from. Yoke -A yoke is a bond wh;re parts that they may ch;itive to other parts without alt<itive to each other.
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Keywords: ., bookcentury1800, bookdecade1890, bookid20thcenturyc, bookyear1899
