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.
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.
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.
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.
Picture Frame.—John H. Bellamy, Charlestown, Mass
24 Dec 2023
4,699.—Back of a Chair or Sofa.—George Unverzagt, Philadelphia, Pa.
—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.
Official lists of patents
22 Dec 2023
Full information, as to price of drawings, in each case, may be had by addressing
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.
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.