Metal-work; a handbook for teachers and students (1914)
Adam, Hugh M. [from old catalog], Evans, James Humphrey, [from old catalog] joint author · New York, Longmans, Green and co.; London, E. Arnold · leaf 202
Fig. 169. usual to suppty a wheel with 127 teeth which can be usedin adapting the speed to the cuttmg of metric threads. Most screw-cutting lathes are now fitted with a gap-bed LATHES AND LATHE^WORK 185 … M^tKSI and in some cases with a gap-piece. This gap allows muchlarger work to be accommodated than is possible with astraight bed. As an instance, a 4|-inch centre lathe with agap-bed can take work 18 inches in diameter, provided thelength of the work allows it to run clear in the gap. This isa…
Metal-work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-323-91.webp)
