. Electric railway journal . gn of the NationalSafety Council, some had to do with early Christmasshopping in the Christmas season, and others relate toService Suggestions to help speed up service throughco-operation on the part of the traveling public. There are two large banners, one on each side alongthe body of the car, reading: Dont Park Too NearCar Tracks, and Help Us Give Safe and DependableService. There are sixteen smaller signs covering the car win-dows and a set of four smaller cards appear on eachend of the car. The accompanying illustrations showboth sides of this trolley tickler
. Electric railway journal . gn of the NationalSafety Council, some had to do with early Christmasshopping in the Christmas season, and others relate toService Suggestions to help speed up service throughco-operation on the part of the traveling public. There are two large banners, one on each side alongthe body of the car, reading: Dont Park Too NearCar Tracks, and Help Us Give Safe and DependableService. There are sixteen smaller signs covering the car win-dows and a set of four smaller cards appear on eachend of the car. The accompanying illustrations showboth sides of this trolley tickler and the ingeniouslyworded signs which are used. Of timely Christmas in-terest were the four dash sign cards on early cards are to be changed from time to time. The tickler attracted widespread attention and in-terest from the start and the company plans to keep itin permanent operation. The banners and cards areon cream-colored oil cloth with black and red letteringand can be read from a considerable TROLLEY TICKLERS ON WHEELS ARE EFFECTIVE IN IoRTLAND, ORE. January 8, 1921 Electric Railway Journal 93 Determining Physical Characteristics ofSteel Rails by Magnetic Analysis THROUGH the efforts of several steel experts whorecognized the great practical value and immensepossibilities of magnetic testing to the metallurgicalindustry, an apparatus has been perfected and placedon the market which enables one to establish the rela-tion between the magnetic and mechanical properties ofcalled the Burrows magnetic analyzer, is now obtainablesteel and detec t imperfections. Such an, apparatusfrom Holz & Company, New York. The principle on which this analysis is based is thatthere is but one set of mechanical conditions correspond-ing to every set of magnetic characteristics. There aretwo separate analyses made, one using a magnetoscope,which gives information about the composition andmechanical and heat treatment of the specimen, but doesnot give any indication of
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
