. Electric railway journal . Hanger is more easily installed and moresatisfactory in service The insulator, stud and yoke are separable,yet they assemble as a unit. When the trolleyear is attached and screwed up firmly on thestud, it can be twisted around at right anglesto the span wire without loosening the ear on-the stud. The head of the stud is countersunk into in-sulator so it cant turn after the ear is set inproper alignment. The insulator is made of durable glazed por-celain. The yoke is galvanized iron, the studsherardized steel, or bronze bolts can be usedinstead of steel. Whites Porc
. Electric railway journal . Hanger is more easily installed and moresatisfactory in service The insulator, stud and yoke are separable,yet they assemble as a unit. When the trolleyear is attached and screwed up firmly on thestud, it can be twisted around at right anglesto the span wire without loosening the ear on-the stud. The head of the stud is countersunk into in-sulator so it cant turn after the ear is set inproper alignment. The insulator is made of durable glazed por-celain. The yoke is galvanized iron, the studsherardized steel, or bronze bolts can be usedinstead of steel. Whites Porcelain Hanger is extremely dur-able, safe and low in cost, and WE CANSHIP AT ONCE. T. C. WHITE ELECTRICAL SUPPLY CO. 1122 PINE STREET, ST. LOUIS, Representative, Forest City Electrical Services Supply Company, Salford, England. 90 ELECTRIC RAILWAY JOURNAL f January 6. 1917 A Book You CanUse Every Day. The data needed in every phase of elec-tric railway work are given in this coin-pact, pocket size encyclopedia— Electric Railway Handbook It contains material youve hitherto beenobliged to obtain from a dozen or moredifferent sources. Some of the informationit gives couldnt be obtained except by goingthrough the files of periodicals. The best thing about the book is its prac-ticability—its every-day-of-the-year useful-ness. If you own a copy, its pretty safe to saythat few days go by when you dont find ita mighty handy tool. If you dont own a copy—send for onetoday. This doesnt mean you have to buy thebook—not at all. You can examine it atyour leisure, in your own home or office,under our Free Examination Offer. Your acceptance of this offer doesnt placeyou under any obligation to purchase thebook. We want you to be satisfied. Merelyfill in and mail the coupon below. FREE EXAMINATION COUPON McGraw-Hill Book Co., Inc., 239 West Stttli Street, New York, N. Y. Yon may send me on
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