. 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. ood clay,50 lbs., finely sifted qpal ashes 50 hair for a bind 12 mix allthoroughly with watpr to the consistence of mortar, and allow it torest for a few hours, bet just previous to u?e, add 50 lbs. plaster ofParis, working it in well. Now apply it to the pipes, &c., while warm,in a thm co;.t. and when drv, add another, continuing until
. 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. ood clay,50 lbs., finely sifted qpal ashes 50 hair for a bind 12 mix allthoroughly with watpr to the consistence of mortar, and allow it torest for a few hours, bet just previous to u?e, add 50 lbs. plaster ofParis, working it in well. Now apply it to the pipes, &c., while warm,in a thm co;.t. and when drv, add another, continuing until the prop-er thickness is secured, whitewashing or painting over : Powers of Fuel, etc.— 1 lb. of coal evaporates 9 lbs of coke 7^ to 9 1 wood 4i1 turf (peat) 6Stationary engines use from 3 to 7 lbs. of coal per horse power p«f engines 25 to .% lbs. coal per mile. freigkt 45 to 55 Wood-burning 1 cord of wood to 42 miies. Bulk of coal is 6 times less than its equivalent in bush. Newcastle cojU will make r»2 bush, of bush, anthracite coal weighs 86 lbs.: bituminous coal = 80 Iba^charcoal (hardwood) « 32 lbs.; coke = 32 Ib^. SIACHI»ISTS ANp ^IfQINEERS DEfABTMENT. 421 ^^^r.
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Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjecttechnology
