ion of nitrate of silver. Con- Station indicator, H. E. Bisseil. Lifting jack, J. Stoody tained in SCIENTIFIC AMERICAN SUPPIIMENT, No. Steam boiler, W. Malam.... . eee 309,179 Lifting jack, B. P. Witt.... VELOCITY OF ICE BOATS. A COLLEC. 426. Price 10 cents. To be had at this office and from Steam… … and of all newsdealers. Lubricating device, J. A. Horton - 309,055 Telegraph signal box, district, W. B. Palmer...... 308,922 Telegraphy,R. K. Boyle....... octets vidlaie A-Sise, « 309,126 Lubricator. See Axle lubricator. = New Catalogue of Valuable Papers PATENTS NEGOTIATED ABROAD. - 308,956…
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