EXTRACTS FROM THE LETTER OF THE HON. BENJA MIN BUTTERWORTH COMMISSIONER OF PATENTS TO THE CINCINNATI CONVENTION OF INVENTORS. The Cincinnati Convention. Resolutions of the Erie Pa. Board of Trade. The Electric Light and Gas., scientific american, 1884-04-05
EXTRACTS FROM THE LETTER OF THE HON. BENJA MIN BUTTERWORTH COMMISSIONER OF PATENTS TO THE CINCINNATI CONVENTION OF INVENTORS. The Cincinnati Convention. Resolutions of the Erie Pa. Board of Trade. The Electric Light and Gas., scientific american, 1884-04-05
Size: 3307px × 4607px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., 1884-04-05, american, analysis, benja, board, broadsheet, butterworth, cincinnati, commissioner, convention, developments, discovery, education, electric, emerging, erie, experiment, extracts, gas, health, hon, industrial, innovation, insights, inventions, inventor, inventors, lab, letter, light, magazine, min, mind, monthly, pa, patented, patents, publication, research, resolutions, revolution, sa, sciam, science, sciences, scientific, scientist, states, sustainability, tech, technology, trade, trends, united, weekly
