Mechanical Contracting & Plumbing January-December 1912 . s for 3W. , 2 urinals, 2 shower baths, 4washing basins. There is no kitchen waste going in the tank, for there isanother main for that purpose, and ob-lige, yours respectfully, A. Binnette, La-chine. On looking over the sketch sent byyour correspondent, I would make thefollowing suggestions, viz:—that eitherthe second divisional wall be raised, orthe vertical pipe of syphon reduced inheight, so as to secure a greater pres-sure of water to force the syphon, as atpresent there is only a difference of 5inches between them. The syphon pi
Mechanical Contracting & Plumbing January-December 1912 . s for 3W. , 2 urinals, 2 shower baths, 4washing basins. There is no kitchen waste going in the tank, for there isanother main for that purpose, and ob-lige, yours respectfully, A. Binnette, La-chine. On looking over the sketch sent byyour correspondent, I would make thefollowing suggestions, viz:—that eitherthe second divisional wall be raised, orthe vertical pipe of syphon reduced inheight, so as to secure a greater pres-sure of water to force the syphon, as atpresent there is only a difference of 5inches between them. The syphon pipe should be the full3 inches diameter all through, and notbe reduced to 2y2 inches at top as shownby your correspondent. This pipeshould also be carried down below thebottom of tank and trapped: see accom-panying sketch. I presume there is sufficient lengthand capacity of the 6-inch tile drain tocontain and dispose of the whole of thecontents of the discharging is absolutely necessary to ensurethe proper working of the system.—C. W. c tr e Sketch showing method of improving septic tank. How to Figure Expenses and Profits Recently a busines efficiency expertcaused to be inserted in several nationalmediums, a little problem he had foundthat always agitated the minds of re-tail dealers wherever it was propound-ed. The problem was stated as fol-lows: Wholesale price of an article is $ of doing business. .22 per cent. Retailers profit 10 per cent. What is the retail selling price? Remember, you are basing yourpercentages on selling price. This problem has led to more agita-tion among retailers, their trade papers,etc., than anything excepting the par-cels post or the question of substitution,that has appeared in the trade pressfor several months. Some correspondents in their desireto contribute to the humorous ratherthan to the serious columns of the pub-lications, have expended a prodigiousamount of clumsy wit in making funof the man who would compute
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplumbin, bookyear1912
