21st October 1939, Page 34
21st October 1939
Page 34
Page 34, 21st October 1939
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A Magnetic Gearbox For Track-layers
A N adaptation of the Cotal magnetic gearbox to endless-track vehicles is shown in patent No. 511,791, by J. Cotal, 2, rue de Saint-Marceaux, Paris. The power shaft (2) carries......