A study of gears, examining the principal solutions of the problem so far as they have received practical sanction. (1500 w.)
Changes of speed for bicycles
Sci Am
1897
Article (Journal)
English
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KITS TO CONVERT SINGLE-SPEED BICYCLES TO MULTI-SPEED BICYCLES
European Patent Office | 2021
|Kits to convert single-speed bicycles to multi-speed bicycles
European Patent Office | 2022
|KITS TO CONVERT SINGLE-SPEED BICYCLES TO MULTI-SPEED BICYCLES
European Patent Office | 2021
|