. Electric railway journal . t this point. The electrode is clamped by a spiral seg-ment operated by a lever. Any attempt to pull out theelectrode, results in tightening the grip of the segmentwhich is made of case-hardened steel. This weldingtool is covered by patents. The trigger shown in the illustration is intended forremote control employed with the closed-circuit system,manufactured by the Arc Welding Machine Company,Inc. Whenever this holder is used on other systems, thetrigger can be omitted. Effective Ice-Removal Attachmentfor Small Snowplow By A. F. Rexroth Master Mechanic Harrisburg
. Electric railway journal . t this point. The electrode is clamped by a spiral seg-ment operated by a lever. Any attempt to pull out theelectrode, results in tightening the grip of the segmentwhich is made of case-hardened steel. This weldingtool is covered by patents. The trigger shown in the illustration is intended forremote control employed with the closed-circuit system,manufactured by the Arc Welding Machine Company,Inc. Whenever this holder is used on other systems, thetrigger can be omitted. Effective Ice-Removal Attachmentfor Small Snowplow By A. F. Rexroth Master Mechanic Harrisburg (Pa.) Railways DURING the winter of 1917-1918, snow and iceconditions were the most severe ever experiencedin this section, and the removal of the accumulations be-tween the rails was a great problem with us. Theice not only caused the equipments to be overworked butproduced great damage to gear cases. To remove it wefirst tried a disk harrow, but this proved a at the suggestion of P. F. Gerhart, our electrical. MOld A\ONS HOjI IxaitHOVIlV ONEIiinD 301 engineer, we tried the attachment shown in the ac-companying illustration. This form of ice scraper was made up of steel platesj in. x 14 in. in size. Saw-tooth points were cut withan acetylene torch along the lower edge and the plateswere then bolted to one of our standard plows. Addi-tional weight was added by using three 21-in. carwheels. We found the device very satisfactory. Thebest results were obtained by using two plows coupledtogether at the same time. These were followed by asweeper which cleaned out all the snow and loose icecut by the plows. On occasions when conditions wereunusually severe it was necessary to use a four-motorequipment for a pusher. Army Engineers Develop GasolineSubstitute According to information made available by the divi-sion of research and development of the engineeringdivision of the United States Army, officers engaged inresearch work in that division have perfected a fuelwhich i
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