Improvement in Hot-Air Engines, S. H. Roper, Specification Forming Part of Letters Patent No. 55,428, June 5, 1866
THF277041 / Improvement in Hot-Air Engines, S. H. Roper, Specification Forming Part of Letters Patent No. 55,428, June 5, 1866 / page1
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Artifact Overview
Massachusetts machinist Sylvester Roper patented improvements to a hot air engine that produced motion by harnessing the expansion and contraction of warming and cooling air. This patent covers one of those improvements. Roper also built at least seven steam-powered carriages and two steam-powered motorcycles years before automobiles -- as we know them -- appeared.
Artifact Details
Artifact
Patent
Date Made
05 June 1866
Collection Title
Location
By Request in the Benson Ford Research Center
Object ID
00.536.5
Credit
From the Collections of The Henry Ford.
Material
Paper (Fiber product)
Technique
Printing (Process)
Color
Black-and-white (Colors)
Dimensions
Height: 11.25 in
Width: 8 in
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