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 ...
Worcester Telegram on MSN
Worcester County Wonders: Unfolding the history of the envelope
Invented by a former physician, the envelope folding machine created a long-lasting industry, still thriving locally.
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 ...
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