The works' manager's hand-book of modern rules, tables, and data for civil and mechanical engineers, millwrights, and boiler makers; tool makers, ... In six sections I. Stationary and locomoti

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 Excerpt: ...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 i. 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. Tabic 123.--Weight Of I Foot In Length Of Angle And Tef.-trox. Balls.--To find the weight of balls of other metals: multiply the weight of cast iron balls by 1-2 for gun metal; 1-15 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.--Weight Of Lead Required For The Joints Of Cast-irom Socket-pipes. Table 129.--Weight Of One Foot In Length Of Angle-steel And Tee-steel. Table 131.--Weight Of Half A Circle Of Cast-iron--Depth = Half The Diameter. Table 132.--Weight Of Small Cast-iron Spur Wheels, Or Change-wheels. Notk.--To find the diameter at the pitch line of any of these wheels:-Divide the number of teeth by the given diametral pitch. The full depth of teeth of these wheels is = jths the circular pitch. Table 138.--Thickness And Weight Of A Superficial Foot Of Window-glass. Table 140.--Size And Weight Of Iron Rivets And Copper Rivets. Table 142.--Birmingham Wire-gauge; Stub's Wire-gauge; America Wire-gauge; And French Wire-gauge. Table...