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Scientific American, Vol. 52, No. 1 (1885) (1885)

leaf 13

An illustration from Scientific American, Vol. 52, No. 1 (1885), 1885, leaf 13
hem. POSITIVE ACTION GUARANTEED UNDER TELEPHONES. Ss ALL CONDITIONS. Also for Paints, Printers’ Inks, Paste Blacking, etc. This company also owns and controls all the other JOHN W. THOMSON, successor to JAMES BOGAR- telephonic inventions of Bell, Edison, Rerliner, Gray, NO ADJUSTMENT FOR VARYING… … TELEGRAPH. LIQUID PAINTS E AUTOMATIC EN THE PAYN INE Published Weekly, $8.20 a Year; -81.60 Six Months, Gives more > power from ount Instruments, Batteries, Magnets, Wire, Electric Bells, of fuel and water th a y engine =This unrivaled periodical, row in its fogtieth year, ROOFING. and Electric…

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