19th Nov, 2021 12:00
Fine Photographica & Instruments of Science
A DC Bipolar Hand Cranked Generator
American (?), c.1880, unsigned, Polished mahogany plinth supports the cast iron body, with lacquered brass bearing supports to the internal rotor, sprung steel bushes to the rear to brass contacts, large winding handle with unusual gearing assembly, height 50cm
Sold for £186
Result including buyers premium
American (?), c.1880, unsigned, Polished mahogany plinth supports the cast iron body, with lacquered brass bearing supports to the internal rotor, sprung steel bushes to the rear to brass contacts, large winding handle with unusual gearing assembly, height 50cm
Auction: Fine Photographica & Instruments of Science, 19th Nov, 2021
