Items relating to the variable speed driving gear invented by Telford C. Field for bicycles etc.
- Made:
- 1899
- maker:
- Field, Telford Charles
Comprise British and French patent material, photograph, and publicity brochure re Planet 2-speed gear.
Details
- Extent:
- 3 slip cases
- Identifier:
- MSL/0412
- Access:
- Open Access
- rights:
- Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions