The Mechanical Arts Simplified; A Work of Reference for the Use of Architects, Architectural Iron Workers, Builders, Blacksmiths

The Mechanical Arts Simplified; A Work of Reference for the Use of Architects, Architectural Iron Workers, Builders, Blacksmiths

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 edition. Excerpt: ...gang or circular saw. To drive a 60-inch saw to cut 2,000 feet per hour, will require 40-horse power and in that proportion as the power is reduced. Minerals. The relative hardness of minerals is shown in the following table, the diamond being the hardest of all minerals. Degree 1 Talc, 2 Gypsum. "3 Calcite. "4 Fluor Spar. 5 Apatite, "6 Feldspar. 7 Quartz. "8 Topaz. "9 Corundum. "10 Diamond. Magic Table. A person's age may be found thus: Let the person point out the columns in which their age, at nearest birthday, occurs. Add together the figures at head of columns and the sum will be the age sought for. Example: Suppose a person's age to be 54 years. We find 54 in the second, third, fifth and sixth columns. Then we add together 2, 4, 16 and 32. which equal 54. Horse Power Required for Driving Machinery in Good Order. An 18-inch swing engine lathe, Vhorse power. A 30-inch swing engine lathe J" A 16-inch swing hand lathe, 'a" A 36-inch swing drill H" A 16-inch swing drill J" A 6-foot planer " A 12-foot planer " A 12-inch shaper " Countershaft for each tool, j" Useful Numbers for Rapid Approximation. Feet X.00019 Yards X.0006 Links X.22 Links X-66 Feet X 1.5 Squareinches X.007 Circular inches..... X.00546 Square feet X.111 Acres X.4840 Square yards X.0002066 Width in chains X 8. Cube feet X.04 Cube inches X.00058 U.S. bushels X.0495 U. S. bushels X 1.2446 U. S. bushels X 2150.42 Cube feet X.8036 Cube inches X.000466 U.S.gallons X.13367 U.S.gallons X 231. Cube feet X 7.48 Cylindrical feet X 5.874 Cube inches X.004329 Cylindrical inches X.0034 Lbs X.009 Lbs X.00045 Cubic foot of water X 62.5 Cubic inch of water X.03617 Cylindrical foot of water X 49.1...show more

Product details

  • Paperback | 76 pages
  • 189 x 246 x 4mm | 154g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236634993
  • 9781236634993