. Hardware merchandising January-June 1900. ly dissolved. If it is not, then adda little more cyanide until it is. Amoderately strong circuit of electricity isrequired, and the bath may be either hotor cold. The following is said to be a good warmbath for iron and steel: Acetate of copper, 3 t-5 of soda, 3 1-5 of of ?oda, 1 1-5 of potassium, 4/s ammonia, 1 4-5 , 1 gallon. The following is said to be a good bathfor coating iron articles with copper bydipping : Sulphate of copper, 3% acid, 3^ ,
. Hardware merchandising January-June 1900. ly dissolved. If it is not, then adda little more cyanide until it is. Amoderately strong circuit of electricity isrequired, and the bath may be either hotor cold. The following is said to be a good warmbath for iron and steel: Acetate of copper, 3 t-5 of soda, 3 1-5 of of ?oda, 1 1-5 of potassium, 4/s ammonia, 1 4-5 , 1 gallon. The following is said to be a good bathfor coating iron articles with copper bydipping : Sulphate of copper, 3% acid, 3^ , 1 to 2 gallons. If the iron is dipped in this solution ittakes on a covering of pure copper, having CANADIAN HARDWARE AND METAL 27 undry Oo. Manufacturers of SOIL PIPE, FITTINGS, SINKS, BOILER STANDS. Nos. 146-148-150 Niagara Street, TORONTO The only Exclusive Manufacturers ofSoil Pipe and Soil Pipe Fittings inCanada All goods stamped T. F. Co. are warranted CANADIAN ADVERTISING is best done by THEE. DESBARATS ADVERTISING
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