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Improvement in Guards for Sheep-Shears.
Patent for "an improved attachment that serves both as a guide and guard for preventing the cutting of the sheep in shearing, and by which even unskilled workmen can use the shears and cut the wool close to the skin without hurting the sheep, with by the point or edge of the blades." (Lines 15-21) Includes instructions and illustrations.
Date:
September 24, 1878
Creator:
Helmecke, Friederich A.
System:
The Portal to Texas History
Improvement in Scaffold-Clamps.
Patent for a reusable scaffold clamp for assembling builders' scaffolds, eliminating the need for nails or bolts.
Date:
April 24, 1874
Creator:
Crockett, John R.
System:
The Portal to Texas History