THE INLAND PRINTER April , 1919 55 … The assistance of pressmen is desired in the solution of the problems of the pressroom in an endeavor to reduce the various processes to an exact science. Replies to inquiries will be made by mail only when accompanied by stamped self-addressed envelope. immersed in the acid the parts unprotected…
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Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.