The watchmakers' lathe, its use and abuse; a story of the lathe in its various forms, past and present, its construction and proper uses (1903)
Goodrich, Ward L. [from old catalog] · Chicago, Hazlitt & Walker · leaf 88
Fig. 61. The Johanson and Scholer Crown Chucks. the crown by the screw cap shown, which draws the brassring against the crown, and thus retains it very firmly. Thisis also a popular form of crown chuck. CHAPTER V. CEMENT CHUCKS AND CEMENTING WORK IN POSITION. The cement chuck is the oldest form of…
Clocks and watches · Lathes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.