File:Open Column Launch Steam Engine 1973 02 p163.PNG
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Caldwell Industries' Open Column Launch Engine, from Popular Mechanics 1973, page 1963.
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|current||20:29, 27 April 2014||810 × 1,252 (1.55 MB)||Dnevil||Caldwell Industries' Open Column Launch Engine, from Popular Mechanics 1973, page 1963.|
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