. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. e load ofsand, and 4 bushels of hair; plasterer, laborer and boy, 3 days each. Hefting—375 yards require IVj cwt. of lime and 5 bushels of lathing, 1 bundle of laths and 384 nails will cover 5 yards. In rtndering, 187*4yards requiie 1^ cwt. of lime, 2 double loads of sand and 5bushels of Lair. Floating requires more labor, but ouly half as m
. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. e load ofsand, and 4 bushels of hair; plasterer, laborer and boy, 3 days each. Hefting—375 yards require IVj cwt. of lime and 5 bushels of lathing, 1 bundle of laths and 384 nails will cover 5 yards. In rtndering, 187*4yards requiie 1^ cwt. of lime, 2 double loads of sand and 5bushels of Lair. Floating requires more labor, but ouly half as muchmaterial as rendering. 1000 bricks, closely stacked, occupy 56 cubic feet; 1000 old bricks,cleaned and loosely stacked, occupy 72 cubic ft. 1 rod of brickwork requu-es 126 gals, water to slack the Ume and mixthe mortar. Bricks absorb 1-15 of their woight in water. Ko. of bricks ineubic yard, 384. A bricklayers hod will hold 20 bricks, or % cubic ft. ofmortar, or ^^ bushel, nearly. Safe Load in Stbuctubes, Including Weight of Stbuctuhe. In cast-iron columns 1/4 breaking weighti Wrought-iron structures i/. In cast-iron girders for tanks ij * - In cast-iron for bridges and tank* 1^5 •• In timber 1-10 «* * Stone aud brick* 1^ «« •. CABlN^ETMAETEnS, PAINTEES, &C., RECEIPTS. SOJ WaiTEvrAerr.—The best mathod of making a whitewasli for ont-Olde expoeure id to stake \ bushel of lime in a barrel, add 1 lb. oi•Sommon sTilt, ^ lb. ot the Bulphate of zinc, and a gallon of Bweet \j desired color may be imparted to whitewash, by adding coloringJnatter to suit. See Compound Colors. TEiiKA CoTTA Mancfactube.—111 the terra cotta manixfacture ofthe north of Enghiud and Scotland, the purest Inmpa of fire clay areselected by their color and tcxtfure, and used clone y, ithout any otherclay, while tlie firnia near Ix)nden prepare more carerally a mrstureof clays, which produce a body of better testura One of the chiefjifflculties met m mjvtafucturLag terra cotta fi,:?urc8 a
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Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjecttechnology
