American Industries Volume 12

American Industries Volume 12

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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. 1912 edition. Excerpt: ... planers, sand-paper or wood-polishing machinery, job or cylinder printing presses operated by power other than foot, emery or polishing wheels used for polishing metal, wood-turning or boring machinery, stamping machines used in sheet metal and tinware manufacturing, stamping machines in washer and nut factories, corrugating rolls, such as are used in roofing and washboard factories, steam boilers, steam machinery, or other steam generating apparatus, dough brakes or cracker machinery of any description, wire or iron straightening machinery, rolling mill machinery, punches or shears, washing, grinding or mixing mills; calender rolls in rubber manufacturing, laundry machinery, or passenger or freight elevators, shall be fined not less than twenty-five dollars nor more than fifty dollars. Section 13002. Whoever employs or permits a child under sixteen years years of age to work in any capacity in the preparation of a compound in which dangerous or poisonous acids are used; in the manufacture of paints, colors or white lead; in the manufacturing, packing or storing of powder, dynamite, nitroglycerine compounds, fuses or other explosives, or in dipping, dyeing or packing matches, shall be fined not less than twenty-five dollars nor more than fifty dollars. A New Fire Damp Protector CONSUL GENERAL JOHN P. BRAY, Sydney, Australia, reports that a new device for detecting fire damp in mines has just been invented by two junior teachers in the Technical College in that city. The new detector is a simple and portable bit of apparatus, designed for the purpose of detecting and indicating the presence of fire damp and other dangerous gases in coal and other mines. Its warning is given either by a loud-sounding alarm bell, or by the flailing more

Product details

  • Paperback | 36 pages
  • 189 x 246 x 2mm | 82g
  • United States
  • English
  • black & white illustrations
  • 1236878051
  • 9781236878052