The little gold mine. Conklin's handy manual of the mechanical arts and house plans .. (1889)
Conklin, [George W.] [from old catalog] · Chicago, Laird & Lee · leaf 332
are made on this plan, it ishardly necessary to describe any others. Fig. II represents a die for doing the same work, but inwhat is called a cam or double-action press. These dies are much simpler andcheaper to make anddo equally good workwith the others. Thepiece A is the cuttingpunch, and works…
Industrial arts · Workshop recipes · Architectural drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
