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 108
efuse to cut. There is a proper speed for each grade or kind of manu-factured wheel; above this speed the heat is such that the THE AMERICAN LATHE. I07 bond will be softened and then the wheel will either crumbleor be burst by the centrifugal force. With large wheelsbursting is always attended with… … Fig. 93. come filled with fine particles of metal and cutting is de-layed or stopped until this is removed by turning downwith a diamond, wasting the wheel and delaying the work.With large wheels it is easy to get a very high speed at the
Clocks and watches · Lathes
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