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Boyden Turbine runner
1844 Boyden turbine runner, NMAH, Washington DC
Author: Michael Freeman
©Michael Freeman
File state: Final
Photo size: 20.9 Mpixels (59.9 MB uncompressed) - 5076x4126 pixels (16.9x13.8 in / 43x34.9 cm at 300 ppi)
Published in: National Museum of American History
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