Scientific American e e e FEBRUARY 23, I907. 177 ee — — … Gearing, elastic, L. F. Bieter ELECTRICAL APPARATUS REPRE Glass grinding, smeething, and _ pelishing sented by Conventional Diagrams in Drawings.—Fifty apparatus, plate, E. Bagnall, reissue.. 12,604 diagrams showing the usual method of illustrating elec- Glass plates, cerner clamp fer, L. Bartel-…
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