TY - BOOK AU - Barkus,Homer A TI - Proper use of the watchmaker's graver: a comprehensive treatise on the use of the watchmaker's hand turning graver, with hints on the slide rest application PY - 1947///] CY - San Diego PB - Barkus Horological Laboratories KW - Clock and watch making KW - Machinery KW - Horlogerie KW - Machines KW - Watch (general) KW - USA KW - graver KW - textbook lathe practical how-to KW - Barkus Horological Labratories, San DIego KW - Machine KW - Barkus, Homer A ER -