Electrical news and engineering . rom that due :Since all brittle welds resemble eachother in ha less columnar structures and c, mtainiug such impuias pearlite, cementite and nitride of iron,it is possible that quenching may helpremedy the trouble since it produceentirely different structure.—ElectricalWorld. PETRIES LIST of NEW and USED MOTORS Phase Cycle Speed takci lMI :; 25 .,i. ISO w 52 :: 25 550 720 35 3 25 550 720 w estg. 30 3 25 550 1500 & 11. 30 ?A 25 550 720 30 till 221» .211 1 ks M 25 3 25 .-,.-,!. u estg. 25 2 60 220 V, estK. 20 3 25 1440 i & M. 20 :: 550 710 w B
Electrical news and engineering . rom that due :Since all brittle welds resemble eachother in ha less columnar structures and c, mtainiug such impuias pearlite, cementite and nitride of iron,it is possible that quenching may helpremedy the trouble since it produceentirely different structure.—ElectricalWorld. PETRIES LIST of NEW and USED MOTORS Phase Cycle Speed takci lMI :; 25 .,i. ISO w 52 :: 25 550 720 35 3 25 550 720 w estg. 30 3 25 550 1500 & 11. 30 ?A 25 550 720 30 till 221» .211 1 ks M 25 3 25 .-,.-,!. u estg. 25 2 60 220 V, estK. 20 3 25 1440 i & M. 20 :: 550 710 w Big. 15 .-.,. i 1400 1 ncashirc 15 3 25 .-,..1. 7::o M lap. & V lo 3 25 .en 710 i i 10 3 25 550 MOO L uicashire Hi :: .2 n - 7 :: 25 550 1500 1. :; ., 550 r25 u 25 I 6 66 221 1 1 21N1 & II. 5 3 25 550 1440 K tcelsior g :; 25 550 1400 K 4 2. ..... i 1400 1- 3 3 25 550 1500 c G. E. 3 3 25 550 1400 K icelsior Write U> for Pncei H. W. PETRIE, Limited Front St. Weit Toronto, Ont. April 1, 191! UK ELECTRICAL NEWS. Published Semi-Monthly By HUGH C. MACLEAN, LIMITED HUGH C. MacLEAN, Winnipeg, S. YOUNG, General R. CARR, , Editor. HEAD OFFICE 347 Adelaide Street West, TORONTOTelephone A. 2700 MONTREAL - Telephone Main 2299 - 119 Board of TradeWINNIPEG - Tel. Garry 856 - Electric Railway ChambersVANCOUVER - Tel. Seymour 2013 - Winch BuildingNEW YORK - Tel. 3108 Beekman - 1123 Tribune BuildingCHICAGO - Tel. Harrison 5351 - 1413 Gt. Northern , ENG. 16 Regent Street ADVERTISEMENTSOrders for advertising should reach the office of publication not laterthan the 5th and 20th of the month. Changes in advertisements will he-made whenever desired, without cost to the advertiser. SUBSCRIBERS The Electrical News will be mailed to subscribers in Canada andGreat Britain, post free, for $ per annum. United States and foreign,$ Remit by currency, registered letter, or postal order payable toHugh C. MacLean, Limited. Subscribers are requested
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