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To Manufacturers of Knitted Goods

29 Dec 2023

The Circular Stocking Frame, from 2 in. to 5½ in. diameter. These circular frames, with my last improvements, are as near perfection as possible.

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The value of the Scientific American as an advertising medium cannot be over-estimated

28 Dec 2023

Engravings may head advertisements at the same rate per line, by measurement, as the letter-press.

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David A. Woodward, Baltimore, Md. Letters Patent No. 16,700, dated February 24, 1857

27 Dec 2023

The Scientific American will be delivered in every part of the city at $3.50 a year.

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Edgar Huson, Ithaca, N. Y. Letters Patent No. 16,648, dated February 17, 1857; reissue No. 2,500

26 Dec 2023

Seeding Machine.—Lewis B. Myers and Henry A. Myers, Elmore, Ohio. Letters Patent No. 16,772, dated March 3, 1857.

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Picture Frame.—John H. Bellamy, Charlestown, Mass

24 Dec 2023

4,699.—Back of a Chair or Sofa.—George Unverzagt, Philadelphia, Pa.

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—Treating Fruits to Dry, Saccharify, and Preserve Them

23 Dec 2023

4,294.—Apparatus for Pitching Barrels.—Louis Schulze, Baltimore, Md. Patent No. 106,964, dated August 30, 1870.

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Official lists of patents

22 Dec 2023

Full information, as to price of drawings, in each case, may be had by addressing

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Inventions Patented in England by Americans

21 Dec 2023

388.—Iron Rails and Bars, and Modes of Manufacturing the same.—Eldridge Wheeler, Philadelphia, Pa. February 15, 1871.

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We present herewith a series of inquiries embracing a variety of topics of greater or less

20 Dec 2023

The metal used was lead and antimony, seven to one.