Estimating Sheet Metal Work |
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Estimating Sheet Metal Work: Tells in Plain English How to Figure the Proper ... Adolf Hopp No preview available - 2017 |
Common terms and phrases
12 inches 16 feet 20 inches 24 gauge 36 inches 9 inches amount base price braces brass building cents chimney cleats coating contractor covered curb dampers drawings ducts and flues elbows eleva elevation in Fig equals estimate Extra fasteners feet 6 inches figured follows front elevation Frustum furnace gable galvanized iron galvanized steel girth glass gutter height hip bar inches long inches wide jack bars kitchen roof labor leader Longer than 120 longer than 96 main cornice main roof material mator measure mold multiply obtained overhead expenses painted pipe pitch plan in Fig pounds quantities red lead registers ridge bar rivets roof plan scale sections shown in Fig side elevation skylight slate smoke pipe solder space specifications square feet square foot square inches Standard Gauge standing seam steel Steel Square sun parlor surface tile tion true length ventilating vertical width wire
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Page 165 - ... circumference. A radius is a straight line extending from the center to the circumference. Measure carefully with a cord the distance around a circle 1 foot in diameter, and you will find it is about 3.1416 ft.
Page 386 - And on and after July first, eighteen hundred and ninety-three, the same and no other shall be used in determining duties and taxes levied by the United States of America on sheet and plate iron and steel.
Page 22 - Liquid Measure. — 4 gills = 1 pint; 2 pints = 1 quart; 4 quarts = 1 gallon; 31| gallons = 1 barrel; 2 barrels = 1 hogshead.
Page 386 - July first, eighteen hundred and ninety-three, the same and no other shall be used in determining duties and taxes levied by the United States of America on sheet and plate iron and steel. But this act shall not be construed to increase duties upon any articles which may be imported. SEC. 2. That the Secretary of the Treasury is authorized and required to prepare suitable standards in accordance herewith. SEC.
Page 10 - From half the sum of the three sides subtract each side separately. Multiply the half sum and the three remainders together ; the square root of the product is the area.
Page 385 - That for the purpose of securing uniformity the following is established as the only standard gauge for sheet and plate iron and steel in the United States of America, namely.
Page 227 - To read the micrometer, therefore, multiply the number of vertical divisions visible on the sleeve by 25, and add the number of divisions on the bevel of the thimble, from 0 to the line which coincides with the horizontal line on the sleeve. For example, as the tool is represented in the engraving, there are ten divisions visible on the sleeve.
Page 226 - D and the thimble E. The pitch of the screw threads on the concealed part of the spindle is 40 to an inch. One complete revolution of the spindle, therefore, moves it longitudinally one fortieth (or twenty-five thousandths) of an inch. The sleeve D is marked with 40 lines to the inch, corresponding to the number of threads on the spindle.
Page 226 - One complete revolution of the spindle therefore moves it longitudinally one-fortieth (or twenty-five thousandths) of an inch. The sleeve D is marked with 40 lines to the inch, corresponding to the number of threads on the spindle. When the caliper is closed, the beveled edge of the thimble coincides with the line marked 0 on the sleeve, and the 0 line on the thimble agrees with the horizontal line on the sleeve. Open the caliper by revolving the thimble one full revolution, or until the 0 line on...
Page 226 - The beveled edge of the thimble is marked in twenty-five divisions, and every fifth line is numbered from 0 to 25. Rotating the thimble from one of these marks to the next moves the spindle longitudinally %s of twenty-five thousandths or one-thousandth of an inch.