entieth year and is still perfecting inventions. The lens is marked ‘ E. Suter Basle, Aplanat B No. 6.’ He Selling by Picture Art. has another lens marked ‘Anastigmat,’ but it has a lot of bubbles in the glass. Am I safe in buying either of these The Society for Electrical Development hit on a most… … Reproductions of Posters Awarded Prizes in the Contest of the Society for Electrical Development. From left to right: Public Choice Prize, $300, Vincent Aderente, New York. The Angel of Progress offering to mankind the benefits of elec¬ trical inventions. Second Prize, $500, John A. Bazant, New…
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Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
