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Scientific American, Vol. 27, No. 22 (1872) (1872)

leaf 13

An illustration from Scientific American, Vol. 27, No. 22 (1872), 1872, leaf 13
nion. In order to apply for a patent in Canada, the applicant must furnisha 37 Park Row, New York. In order to have such search, make ouc a written description of the inven- model, specification and duplicate drawings, substantially the same as in OFFICE IN WASHINGTON—Corner F and 7th streets,… … If itis worth 2 cents per line to advertise in a paper of E PLACE & C three thousand circulation, it is worth $8.%5 per line to advertise in one of forty-five thonsand. ‘ ae Do you waat a ~ PROTECTION AGAINST FIRE. — PUMPING MAGHINERY HALL BROTHERS Agricultural Machine Shops, Boile ‘ass…

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