The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . For example, the line marked & Co., not only serves for that make of watches, but also forWaltham 14 and 16 sizes. Directions accompany each tool. Fig. 159 shows a hair spring stud index recently placed on the marketby A. W. Johanson. The engraving shows the full size of the tool, which consists of a steel platemounted on feet, and pierced witha number of holes for the recep-tion of screws, when taking downa watch. In the center of theindex is a hole for the staff, andan oblong
The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . For example, the line marked & Co., not only serves for that make of watches, but also forWaltham 14 and 16 sizes. Directions accompany each tool. Fig. 159 shows a hair spring stud index recently placed on the marketby A. W. Johanson. The engraving shows the full size of the tool, which consists of a steel platemounted on feet, and pierced witha number of holes for the recep-tion of screws, when taking downa watch. In the center of theindex is a hole for the staff, andan oblong slot for the receptionof the roller jewel. To get anyAmerican movement in beat pro-_ ceed as follows: In front of No. Fig. 159. jQQ ig a small spring, push same towards No. 10, then place the balance on top of the stand, with staffin center and roller jewel in the oblong hole, let the spring back gently,the balance will then take its own position. Set degree hand in frontof the desired degree, as per directions on index table, place hair springstud in front of degree hand, and push on the INDEX TABLE FOR HAIR SPRING STUDS. Size. Columbus 18 Columbus 6 El^in 18 Elgin 16 Elgin 16 Elgin 10 Elgin 0 Illinois 18 Illinois 18 Illinois 18 Illinois 16 Illinois 6 Illinois 4 Hampden 18 Hampden 18 Face Pace Face Face Flat Hair Spring 52 Flat Hair Spring 50 Flat Hair Spring 50 Flat Hair Spring Open Face Breguet,.33 84 Open Face Flat 89 Hunting ..52 Dueber Hunting 80 Open Face 75 Size. Hampden 16 Hampden 6 Howard 18 Howard 18 Howard 16 Howard 6 Rockford 18 Rockford 6 Waltham 18 AValtham 18 ..4- 6 Waltham 1 Seth Thomas 18Seth Thomas 18 Degree. Hunting 50 Old Model 5 New Model 23 Key Flat Hair F. Hair Breguet 50 42 50 42 Open Face 50 Hunting ......53 Half Plate. 388 HALF PLATE. A watch in which the top pivot of the fourthwheel pinion is
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Keywords: ., bookcentury1800, bookdecade1890, bookidamericanwatc, bookyear1892
