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4 Matching Results
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Broadcast Seeder.
Patent for a broadcast seeder designed to "cultivate, plant, and subsequently roll or cover the seed, the elements for accomplishing the same being combined in a single device simply constructed" (lines 10-13).
Date:
June 3, 1890
Creator:
Callaway, Johnathan Asa
System:
The Portal to Texas History
Projectile
Patent for an explosive projectile for use of penetrating and exploding ironclad and steel-clad ships, including instructions and illustrations.
Date:
March 3, 1885
Creator:
Hopson, Lucien
System:
The Portal to Texas History
Wind Engine.
Patent for a new and improved wind engine. This design consists in "[t]he combination, with a suitable frame, of the shaft, having wind wheel or drum, provided with rods having wings and arms or cranks, and laterally projecting brackets, having bell-crank levers, loaded at their lower ends, the connecting rods, sleeve[s], washer, spring, and . . . having pivoted rods connecting said sleeves with the arms" (lines 94-102).
Date:
April 3, 1883
Creator:
Fletcher, George Ephraim
System:
The Portal to Texas History
Dam Construction
Patent for a movable dam wall shorter than the depth of the water behind it, including illustrations.
Date:
March 3, 1914
Creator:
Hunt, Edward B.
System:
The Portal to Texas History