Illustrated description of a change-speed gear which gives any speed from zero up to a certain limit. (Serial. 1st part) (1400 w.)
The Newman-gradually-variable speed gear
Auto Jour
1903
Aufsatz (Zeitschrift)
Englisch
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Flywheel transmission has variable-speed gear
Kraftfahrwesen | 1977
|Variable speed gear with automotive potential
Kraftfahrwesen | 1976