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Engraving-machine.
Patent for improvements to an engraving machine. Illustrations included.
Date:
July 1, 1902
Creator:
Crane, Walter E.
System:
The Portal to Texas History
Wick Material (Illinois Patent).
Patent for wick material, "composed of raw fibrous matter in layers or slivers in adhesive substance" (lines 16-17).
Date:
July 1, 1890
Creator:
Chapin, Myron H.
System:
The Portal to Texas History