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US Patent: 1,034,838
Change-speed gearing
Patentee:
Henry A. Ryther (exact or similar names) - Montague, MA

USPTO Classifications:
74/366, 81/34

Tool Categories:
woodworking tools : hand drills : eggbeater drills

Assignees:
Millers Falls Co. - Millers Falls, MA

Manufacturer:
Not known to have been produced

Witnesses:
Katherine E. Nichols
Lizzie B. Strachan

Patent Dates:
Applied: Dec. 15, 1911
Granted: Aug. 06, 1912

Patent Pictures:
Ryther 1,034,838
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Description:
This is a upgrade to John Leland's patent 988,723. In fact, the drawings look so similar I thought there was an error. Ryther's change provides less friction between the gears and therefore an easier to use tool.

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