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Band-Saw
Patent for improving band-saws for lumber "which can be inexpensively produced, which will not readily crack or otherwise deteriorate in use" (lines 15-18) by "reinforc[ing] the gullets of the teeth that the tendency for cracks to form at this point will be reduced to a minimum" (lines 33-35).
Date:
September 28, 1920
Creator:
McCormick, Merton H.
System:
The Portal to Texas History
Flue-Cleaner.
Patent for a cleaner for a chimney, that is composed of multiple parts and is adjustable.
Date:
June 28, 1892
Creator:
Pharr, Walter
System:
The Portal to Texas History