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Title: Dawson gas engine with rotary piston, patent no [Go to resource]
Description: Dawson gas engine with rotary piston, patent no. 6407 of 1890 sectioned by workshops, December 1955 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1953-226 Go to resource More Like this...
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