Gas engine 1/4 hp working model

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Gas engine 1/4 hp working model

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Size: 4566px × 3889px
Photo credit: © IMechE / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, 1/4, c1870s, engine, engineering, engines, gas, history, hp, industrial, machinery, model, powered, science, working