Langen and Otto's patent, 1866, atmospheric or 'free piston' gas engine, No. 1, half hp, patented by Nikolaus August Otto and Eugen Langen, and made by Crossley Brothers, Manchester, England, 1869
- Heat Engines (non steam)
- Object Number:
overall (inc. plinth and with piston at top of stroke): 2607 x 1310 x 1080 mm
(plinth): 75 x 1080 x 1070 mm
- furnishing and equipment
- tools & equipment
- engine - power producing equipment
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