The machinist and tool maker's instructor, containing an easy method of calculating and laying out difficult work in the machine shop .. (1896)
Genung, Edward. [from old catalog] · New York [Press of J. B. Savage, Cleveland] · leaf 46
EHE MACHINIST AND TOOl, MAKERS INSTRUCTOR. 41 … 42 THE MACHINIST AND TOOL MAKER5S INSTRUCTOR. SCREW THREADS. There are three forms of screw threads now generally usedin making taps, dies, machine screws, etc., and it is very im-portant at times to know the exact depth of the thread. In Figure 34, I have shown the common sharp V thread,in which…
Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
