Mechanical Contracting & Plumbing January-December 1908 . for liquids should be construct-ed from materials which are not attack-ed by the liquids elevated. The follow-ing, according to Die Fordertechnik,are the best materials for the liquidsmentioned: Cast iron: Ammonia, tar,mineral oils. Gun metal: Vegetable oils,salt water, molasses, beer, lime, water,weak acetic acid. Lead: Strong aceticacid. I cad( with a small amount of tinand antimony) : Hydrochloric and sul-phuric acids. Glass: Strong acids, alka-line liquids. Earthenware and gutta per-ch a : Strong acids. GOOD MARKSMANSHIP. Wm. Linton
Mechanical Contracting & Plumbing January-December 1908 . for liquids should be construct-ed from materials which are not attack-ed by the liquids elevated. The follow-ing, according to Die Fordertechnik,are the best materials for the liquidsmentioned: Cast iron: Ammonia, tar,mineral oils. Gun metal: Vegetable oils,salt water, molasses, beer, lime, water,weak acetic acid. Lead: Strong aceticacid. I cad( with a small amount of tinand antimony) : Hydrochloric and sul-phuric acids. Glass: Strong acids, alka-line liquids. Earthenware and gutta per-ch a : Strong acids. GOOD MARKSMANSHIP. Wm. Linton, the popular representa-tive of the Standard Ideal Manufactur-ing Company Port Hope, has won a re-putation as a good shot, and many ofhis friends have enjoyed a juicy steakof deer or bear meat, or a taste of part-ridge brought down bj his rifle. Last week Mr. Linton was at NiagaraFalls, and, not having his gun with him,he used a camera with Joe Henderson,the big-bodied and large-hearted plumberas his target, with the plumbing siiop inthe shadow .1. T. HENDEKSOX. XIACAHA FALLS Mr. Henderson reports business good,he having just completed the instalationof Standard Ideal closet ranges, urinals,drinking fountains, etc., in two PublicSchools at the Falls. BOILER TROUBLES. Among boiler troubles, that of leakingtubes is, perhaps, the most common. Asa rule, this is due to scale collectingaround the tubes on the rear head andit is almost impossible to remove it fromaround the centre tubes, as they cannotbe reached for efficient Work with ascraper. The vertical spaces can, how-ever, be cleaned fairly well by the per-sistent use of a long chisel-ended bar. Aman should go inside and lie on the topof the tubes, facing the rear, and scrapethe head. Care must be used, if the bar is rather T9 sharp, not to injure the tubes. If this isdone and the tubes re-rolled and re-bead-ed, they can be made tight, and the restof the scale will gradually work off ifthe vertical spaces are kept cle
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