History, 4 Clinton St., Hartford, Conn., U. S. A. etc. Complete list of Patents each week. Terms of Subscription.—One copy of the Scien- tific American will be sent for one year -52 numbers- ESTIMATES furnished torCOMPLETE CRUSHING PLANTS postage prepaid, to any subscriber in the United States,… … Scientific American and one copy of the Supple- The Curtis Balanced Steam Trap ment, both mailed for one year to one address for $7.00. If you want the best CHUCKS, buy Westcott's Single copies, 10 cents. Address and remit by postal Combines more Superior Little Giant Double Grip Features than any…
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