Fayl:Dorothy Locke Production of blasting caps 2012 017 b2f37 x346d4806.tiff

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Production of blasting caps at Hercules Port Ewen plant   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Muallif
Hercules Incorporated
Fotograf
O'Neill, James J.
Title
Production of blasting caps at Hercules Port Ewen plant
Taʼrif
English: Close-up view of employee Dorothy Locke setting lead wires in a mold, part of the assembly line production of electric blasting caps, at the Hercules Powder Company plant in Port Ewen, New York. During the production of electric blasting caps, wires were inserted into the base of a bridging machine while a mixture of sulfur, graphite, and mica was poured in a mold to form a plug around the so-called leg wires. Then, a platinum alloy bridge wire was soldered across the two ends of wire protruding from the plug. Following inspection, the plugs subsequently were sent to the Filling Room to be inserted into shells.

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) specialized in the manufacture of explosives and smokeless powders. The company's Port Ewen plant produced a range of special detonators designed for military use, as well as construction jobs that required blasts of dynamite, such as the clearing of quarries, mines, and tunnels.

Published without a copyright notice in the March 1955 edition of the Hercules Mixer.
Depicted people Depicted person: Dorothy Locke
Sanasi 1955
date QS:P571,+1955-00-00T00:00:00Z/9
institution QS:P195,Q5090408
Notes Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Manba https://digital.sciencehistory.org/works/zw12z5752
Ruxsat
(Bu faylning takror foydalanilishi)
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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joriy17:02, 30-Sentyabr 201917:02, 30-Sentyabr 2019 dagi versiya uchun tasvir3 923 × 3 076 (46,04 MB)Mary Mark Ockerbloom== {{int:filedesc}} == {{Photograph |photographer = O'Neill, James J. |author = Hercules Incorporated |title = Production of blasting caps at Hercules Port Ewen plant |description ={{en|1= Close-up view of employee Dorothy Locke setting lead wires in a mold, part of the assembly line production of electric blasting caps, at the Hercules Powder Company plant in Port Ewen, New York. During the production of electric blasting caps, wires were inserted into the base of a bridging machine wh...

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