rious Arts and Trades; Curi- and oil boxes, &c.—John H. Tims, Newark, N: J., ous Philosophical Experiments ; Miscellaneous reissued June 13th. Intelligence, Music and Poetry. Spring-brace fur carriages—Erastus T. Sprout, This paper is especially entitled to the pa- Dimock, Pa., Sept. 7th.… … Improvement in the construction of pipes for the will now command double the original cost. supply of aqueducts—John H. Thorndike, Boston, Terms.—The “Scientific American” will be furnished Mass., July Ist. to subscribers at $2,00 per annum,—one dollar in advance, Pumps—T. Jefferson Wolfe,…
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