very tool necessary fortheAm- A special notice is made in the SCIENTIFIC AMERI- Implements, Wholesale and Export Hardware and Ma- ateur or Artizan. Send for it. : and the industrial pursuits generally; and it is val- CAN of all inventions patented through this agency, with chinery Merchants. Est’d… … For descriptive ithograph, address A pamphlet containing the laws and full directions for somely printed sheets. Price, $5.00 per annum Carnegie Brothers & Co., Union Iron Mills, Pittaburgh,Pa. obtaining United States patents sent free. A hand- Single copies 10 cents. PE Et ET ACNINLP SPE) SEE…
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