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Power-Transmitting Device
Patent for improvements in power-transmitting devices: convert rotary movement into reciprocatory movement (lines 14 - 15); the speed of movement of the reciprocating member in one direction is greater than in the opposite directions (lines 20-24); and increased pull (line 30).
Date:
December 21, 1920
Creator:
Huffman, Orla L.
System:
The Portal to Texas History