Click to open image viewer. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Russell L ...
Invented by a former physician, the envelope folding machine created a long-lasting industry, still thriving locally.
The WOLF ENVELOPE COMPANY, a pioneer in the mechanization of envelope-making, was incorporated in Cleveland in 1899. Three friends and co-equal business partners founded the Company: Alfred Wolf (1854 ...
Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. One of the most difficult problems encountered in the envelope manufacturing process was that of drying the gummed ...
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