. Electric railway journal . ccessfully. The improved Gould ad-juster is designed for operation in both tension and com-pression members and does not rely on release springsfor proper operation. The regulating force is applieddirectly to the adjuster whenever the brakes are appliedand all excess piston travel is compensated for im-mediately after each brake application. The adjust-ment made is therefore independent of release springsor wear in holes, pins, wheels or brake shoes. 448 Electric Railway Journal Vol. 58, No. 12 A Gas-Propelled Weed Cutting Machine THE picture reproduced herewith sh
. Electric railway journal . ccessfully. The improved Gould ad-juster is designed for operation in both tension and com-pression members and does not rely on release springsfor proper operation. The regulating force is applieddirectly to the adjuster whenever the brakes are appliedand all excess piston travel is compensated for im-mediately after each brake application. The adjust-ment made is therefore independent of release springsor wear in holes, pins, wheels or brake shoes. 448 Electric Railway Journal Vol. 58, No. 12 A Gas-Propelled Weed Cutting Machine THE picture reproduced herewith shows a weed andgrass-cutting machine built at the shops of theTexas Electric Railway for use on its interurban machine is designed to remove grass and weedsgrowing between the rails and for a distance of 2 in. on each side. This is accomplished by rotatingat 1,100 a 3-in. shaft which is attached to afour-wheeled car. The weeds and grass are torn andcut by a series of stiff wire cables spaced 3 in. apart. A Weed Cutter from Texas on the shaft and secured with set screws. The motivepower for operating the shaft is a 15-hp., 1,200-volt, belted to it. The shaft can be raised or loweredby a series of levels to clear cattle guards and other obstructions. The car itself is propelled by a six-cylinder gasolinemotor taken from a damaged automobile. Located overand parallel to one set of wheels is the motor whichdrives them through a chain passing over a sprocketon the end of the axle. The car can be run at a speedvarying from 4 to 40 , but 4 is the averagespeed when cutting through heavy grass and men are required to operate the apparatus, whilethe average cost per car-mile is cents. This costincludes labor, repairs to machinery, oil, gasoline, same work performed by hand would cost severaltimes this amount. One of these machines will easilytake care of 300 miles of track. How to Machine Aluminum THE use of aluminum to
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