Apparatus for Stamping Lace Paper, US Patent No. 89945
Sample pages
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US Patent No. 89,945, granted May 11, 1869 to Albert Rohrbeck of New York, for a machine that stamps perforated lace paper of the kind used by confectioners and cigar-makers. A spring-driven hammer, raised by a shaft with two fingers acting in a slotted plate, drops onto a steel cutting-plate and replaces hand-struck perforating tools. The document has a drawing sheet with three figures, followed by the specification and three claims.
- Type
- Patent
- Date
- May 11, 1869
- Language
- English
- Pages
- 2
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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