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Publication Information
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W014842
WHi 133095
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Digital Collections
Explore more than 100,000 collection items online through the Society’s digital collections. For over two decades, we’ve been scanning, photographing, and digitizing materials from our collections, creating a rich and growing digital archive that brings history closer to you.
The Wisconsin Historical Society offers an ever-growing digital collection. Digitized materials reflect the full range of items in the collections including photographs, letters, newsletters, films, posters, architectural drawings, menus, and ephemera.
Attribution
For a credit line: Wisconsin Historical Society, Creator, Title, Unique Identifier.
The Unique Identifier can be found at the top or bottom of the page for each item. The name of a downloaded file is NOT the unique identifier.
For bibliographic citations please consult the UW-Madison Libraries Citation Research Guide to ensure compliance with appropriate style guidelines.
Accessing Collections
The vast majority of the items in our collections are not online. The Society owns thousands of archival collections viewable in our Archives reading room. To view and conduct research in our collections, visit us in person.
7-Cylinder Comet Airplane Engine
circa 1930-1939
Abstract profile of a 7-cylinder Comet airplane engine without a propeller. It was designed by the Comet Engine Corporation.
7-Cylinder Comet Airplane Engine
January 24, 1930
View from front of a 7-cylinder Comet airplane engine undergoing assembly. The engine is mounted to a wooden stand, located in a brick manufacturing building, and shows its crankcase and component ...
7-Cylinder Comet Airplane Engine
July 22, 1929
Profile view of a 7-cylinder Comet air-cooled radial piston engine, designed by the Comet Engine Corporation on an unidentified make of aircraft at the Oakland landing strip. The photograph picture...
Aircraft Manufacturer and 7-Cylinder Comet Engine
July 22, 1929
Left side view of the 7-cylinder Comet engine fitted to the nose of an aircraft under construction. The fuselage is standing on the factory floor. A work table and exit doors to the outside are in ...
Comet 7-D Aircraft Engine
July 26, 1929
Straight-on view of the front crankcase of a 7-D Comet aircraft engine on a stand. It was made in front of a sheer backdrop inside a factory, with windows in the background. The engine had valves f...
7-RA Comet Engine on Alexander Eaglerock A-12 Aircraft
April 22, 1930
Front view of a Alexander Eaglerock A-12 aircraft fitted with the 7-RA Comet air-cooled radial piston engine with seven cylinders. The fixed-wing plane sitting on a dirt runway at an airport, with ...
