Details of various German construction types, including those with motors above and in front wheel, above and in back wheel, within cycle frame, with motor on an extra wheel, etc. Distinction is made between motor cycles and auxiliary motors attachable to any cycle.
German motorcycles and auxiliary motors for cycles
Deutsche Fahrradhilfsmotoren und Motorfahrrader
1920
5 pages
11 Figs.
Article (Journal)
German
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Engineering Index Backfile | 1924
Engineering Index Backfile | 1928
Engineering Index Backfile | 1921
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