The works' manager's hand-book of modern rules, tables, and data for civil and mechanical engineers, millwrights, and boiler makers Volume 6; ... pipes, pumps, water-power. Millwork; s

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. 1901 edition. Excerpt: ...To find the thickness in thousands of an inch, add one third to the n-imber of ounces per square foot. For instance, the thickness of a plate weighing 4S ounces per square foot is = 48 3 = 16, and 48 + 16 =; 64, and = 064 thousands. Table 118.--Weight Of 12 Inches Square Of Bessemer Steel, And Rolled Steel Sheets, And Gun Metal Plates; The Thickness Being Measured By The New Imperial Standard Wire-gauge. Table 119.--Weight Of 12 Inches Square Of Rolled White Metal, Lead, And Zinc Sheets; The Thickness Being Measured By The New Imperial Standakd Wire-gauge. For the equivalents in decimal parts of an inch of the numbers of the wire-gauge, see page 331. Table 120.--Weight Of 12 Inches Square Of Various Metals. Hoops.--To find the length of bar required to make a circular hoop.--Rule: Add the thickness of the bar to the inside diameter of the hoop, and multiply the result by 3. For angle-iron hoops, with the flange on the outside.--Rule: Add twice the thickness of the root to the inside diameter of the hoop, and multiply the result by 3. For angle-iron hoops with the flange inside the hoop.--Rule: Deduct twice the thickness of the root from the outside diameter, and multiply by 3. WEIGHT OE IRON AND GALVANIZED WIRE. Table 121.--Iron Wire. The following Table, issued by the Iron and Steel Wire Manufacturers' Association, gives the sizes, weights, lengths, and breaking strains of iron wire, according to the New Imperial Standard Wire-gauge. Table 123.--Weight Ok I Foot In Length Of Angle And Tee-troh. Balls.--To find the weight of balls of other metals: multiply the weight of cast iron balls by ra for gun metal; 115 for brass; ro8 for steel; and by 1-05 for wrought-iron. Wood Screws.--Gauge Number, And Diameter In Decimal Parts Of An Inch. Table 128.--We...