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Improvement in Eyeglasses.
Patent for improvements to eyeglasses to accommodate facial differences.
Date:
July 9, 1878
Creator:
Hawkes, Albert K.
System:
The Portal to Texas History
Improved Side-Saddle.
Patent for "a new and useful improvement in side-saddles, and consists in forming the saddle-tress hollow, or with air-chambers within." (Lines 9-11) Includes instructions and illustrations.
Date:
July 26, 1870
Creator:
Smith, Fenwick
System:
The Portal to Texas History
Improvement in Postage or Revenue Stamps.
Patent for an improvement in postage or revenue stamps. Patent for postage or revenue stamp "composed of two superposed sheets or layers, A B, the top layer carrying the printed designs, having parallel incisions therein, and the bottom layer being provided with adhesive material on the back". Patent for postage and revenue stamps that cannot be re-used.
Date:
July 10, 1877
Creator:
Beaumont, David G.
System:
The Portal to Texas History
Saw Tooth
Patent for "Improvement in Saw Teeth" (line 3)
Date:
July 12, 1870
Creator:
Littlepage, Caleb V.
System:
The Portal to Texas History
Improvement in Breech-Loading Fire-Arms.
Patent for improvements in Winchester Repeating fire-arms, or magazine fire-arms. Patent for improvements in the "interior mechanism for operating the breech-block and resisting the recoil, and in the combination of parts". Patent that increases strength and capability to resist recoil, increases the charge of powder. Together, the ball is carried faster and farther with "perfect safety and without increase of recoil or rebound".
Date:
July 31, 1877
Creator:
Petmecky, Joseph C.
System:
The Portal to Texas History