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Saw-Filing Machine.

Description: Patent for a gin and linter saw filing machine that is fully automatic and can sharpen multiple saws in succession and then stop when finished without resetting the device or manually stopping it. It also can sharpen saws of varying sizes and thicknesses to different levels of sharpness.
Date: March 5, 1907
Creator: Beaver, John M.
Partner: UNT Libraries Government Documents Department