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Scientific American, Vol. 52, No. 9 (February 1885) (1885)

leaf 15

An illustration from Scientific American, Vol. 52, No. 9 (February 1885), 1885, leaf 15
The most successful Lubricatorfor Loose Pulleys in use.VAN OUZENS PATENT LOOSE PULLEY OILER. Highly recommended by those whohave used them for the past twoyears. Pricesveryreasonable. Everyuser of machinery should have our Catalogue No. 65; sent free.Van Duzen & Tift, Cincinnati. O. Double… … SPEAKING TELEPHONES. THE AMKRICAiV BflM/ TKLKPIIOgK COMPANY, W. H. Forbes, W. R. Driviir, Thko. N. Vail,President. Treasurer. Gen. Manager. Alexander Graham Hells patent of March 7, 1876,owned by this company, covers every form of apparatus,including Microphones or Carbon Telephones, in whichthe…

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