Resource Type

Whiffletree (open access)

Whiffletree

Patent for a whiffletree that equalizes the draft pressure on the beam.
Date: July 2, 1912
Creator: Sledge, Henry B.
System: The Portal to Texas History
Gin Saw Gumming Machine. (open access)

Gin Saw Gumming Machine.

Patent for an improved variation of a gin saw gumming machine with "an adjustable means for clamping the machine to varying diameters of space blocks on gin saws of varying diameters." (Lines 11-14), including instructions and illustrations.
Date: January 2, 1917
Creator: Taylor, James E.
System: The Portal to Texas History