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Production plant, wood gas. 1941
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Production plant, wood gas. 1941

Car runs on wood gas generator due to gasoline shortage, Zurich 1940
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Car runs on wood gas generator due to gasoline sho...

Workers learning how to use cars powered by wood gas; 1941.
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Workers learning how to use cars powered by wood g...

Production of wood gas; 1941
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Production of wood gas; 1941

Steamer, wood powered engine; 1943
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Steamer, wood powered engine; 1943

Wood as a substitute for the steam navigation in Lucerne in the early forties
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Wood as a substitute for the steam navigation in L...

They work for the factory Schroeder where peat soaked in used oil becomes the fuel substitute
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They work for the factory Schroeder where peat soa...

Factory Schroeder
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Factory Schroeder

On Quaibrücke in Zurich
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On Quaibrücke in Zurich

They work in the factory Schroeder where peat soaked in used oil becomes the fuel substitute
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They work in the factory Schroeder where peat soak...

Kiln, heater, stove in the factory Schroeder.
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Kiln, heater, stove in the factory Schroeder.

Factory Schroeder
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Factory Schroeder

Taucher arbeiten auf dem Meeresgrund mit elektrischem Licht
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Taucher arbeiten auf dem Meeresgrund mit elektrisc...