Monthly Statement of Coal-Mine Fatalities in the United States

Monthly Statement of Coal-Mine Fatalities in the United States

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...electric motors for mines; fees, character of tests, and conditions under which motors will be tested: Schedule 2A, Bureau of Mines, 1915, 11 pp. g Procedure for establishing a list of permissible portable electric mine lamps; fees, character of tests, and conditions under which lamps will be tested: Schedule 6A, Bureau of Mines, 1915,13 pp. Schedule 7, loc. cit. 70 PERMISSIBLE PORTABLE ELECTRIC MINE LAMPS. Approval No. 10 "covers a permissible portable electric mine lamp manufactured by the Edison Storage Battery Co., Orange, N. J. The only bulbs approved for use with this lamp are the sjmbol 26-V bulbs manufactured by the Independent Lamp & Wire Co., 1733 Broadway, New York, N. Y.; the symbol BM-10 bulbs manufactured by the National Lamp Works of the General Electric Co., Cleveland, Ohio, and the symbol BM-10 bulbs manufactured by the Edison Works of the General Electric Co., Harrison, N. J. Approval No. 11 covers a permissible portable electric mine lamp manufactured by the Mannesman Light Co. of America, 331 Fourth Avenue, New York, N. Y. The only bulbs approved for use with these lamps are the symbol C-5 bulbs sold by the Mannesman Light Co. of America. Approval No. 12 covers the Concordia permissible portable electric mine lamp manufactured by the Concordia Safety Lamp Co., Manufacturers' Building, Pittsburgh, Pa. The only bulbs approved for use with these lamps are the symbol Osram 08510 bulbs sold by the Concordia Safety Lamp Co. EXPLOSION-PROOF COAL-CUTTING EQUIPMENT. In accordance with Schedule 2A, the following coal-cutting equipment has the bureau's approval: Approval No. 100, covering a 250-volt direct-current explosionproof coal-cutting equipment manufactured by the Sullivan Machinery Co., Claremont, N. H....show more

Product details

  • Paperback | 36 pages
  • 189 x 246 x 2mm | 82g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236893514
  • 9781236893512