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The Diamond Calk Horseshoe Company of Duluth, Minnesota, USA was founded in 1908 by blacksmith Otto Swanstrom.. Initially manufacturing horseshoes with a special type of calk to improve the animals' foothold on slippery surfaces, the company successfully adapted to the development of motorised transport for the masses and produced a range of adjustable wrenches and pliers from the 1920s.
Clapp took an engineering position at Park Brothers' Black Diamond Steel Works. There, along with Captain Alfred E. Hunt, he established the Pittsburgh Testing Laboratory's chemistry department. Hunt formed a company in 1888 to exploit the Charles Martin Hall patents for making aluminum by electrolysis. Clapp was treasurer and secretary of the ...
Diamond Mining Project, Majhgawan, Panna (M.P.) [5] NMDC Ltd. is diversified into other raw materials for the steel industry such as low silica limestone. Production of dead burnt magnesite and further value addition is under study through its subsidiary J K Mineral Development Corporation Limited.
The diamond-shaped tower was patented by Nicholas Gerten and Ralph Jenner for Blaw-Knox July 29, 1930. [5] and was one of the first mast radiators.[1] [6] Previous antennas for medium and longwave broadcasting usually consisted of wires strung between masts, but in the Blaw-Knox antenna, as in modern AM broadcasting mast radiators, the metal mast structure functioned as the antenna. [1]
1921 advertisement. The Standard Steel Car Company (SSC) was a manufacturer of railroad rolling stock in the United States that existed between 1902 and 1934.. Established in 1902 in Butler, Pennsylvania by John M. Hansen and "Diamond Jim" Brady, the company quickly became one of the largest builders of steel cars in the United States.
US Steel was once the pride and joy of the United States and the most valuable company in the entire world. The 122-year-old company has agreed to be bought by Japanese firm Nippon Steel in a $14. ...
The Steelmark is a logo representing steel and the steel industry owned by the American Iron and Steel Institute, and used by it to promote the product and its manufacturers. The logo was incorporated as the emblem of the Pittsburgh Steelers and Huachipato , the first initially using the same design as the Steelmark, but later modified to ...
[1] [2] In the 1880s, a tool manufacturing company called Diamond Drill and Machine Co from Pottsville, Pennsylvania began to operate a division on the Birdsboro Iron Foundry's property. This operation lasted for about ten years. In 1894, Birdsboro Iron Foundry (by then referred to as E&G Brooke Iron Co) bought Diamond Drill and Machine Co. [1] [2]
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