. Engineering and Contracting . p as it moved ahead. This portable track sys-tem was also used when passing over soft ground. A Severe Test of a Motor Truck What happens when you dump red hot cinders on ice isquite clearly shown in the accompanying illustration. Inci-dentally, the accident furnished a somewhat strenuous testof the truck. The Walworth Co. of Kewanee, III., the owner of thetruck, a Diamond T, makes metal products necessitating theuse of sulphuric and other acids. An adjacent pond has beenthe recipient of hundreds of gallons of these waste acids fora number of years. Among its ot


. Engineering and Contracting . p as it moved ahead. This portable track sys-tem was also used when passing over soft ground. A Severe Test of a Motor Truck What happens when you dump red hot cinders on ice isquite clearly shown in the accompanying illustration. Inci-dentally, the accident furnished a somewhat strenuous testof the truck. The Walworth Co. of Kewanee, III., the owner of thetruck, a Diamond T, makes metal products necessitating theuse of sulphuric and other acids. An adjacent pond has beenthe recipient of hundreds of gallons of these waste acids fora number of years. Among its other duties the truck wasengaged in hauling and dumping ashes to fill in this so-called acid pond. During the winter it was the custom todrive the load out on the ice and dump, which worked ad-mirably until the driver unwittingly happened to carry out aload of red hot cinders fresh from the boilers. The hot cin-ders went through the ice with a splash followed by trucket al. The rear part was immersed about 72 hours and the motor. Motor Truck In Acid Pond. about 6 hours, or, in other words, long enough to quite thor-oughly complete the test. It took a crew of 15 men three daysto get the truck out of the acid pond. The truck is todayin excellent running condition and it v,as only necessary togive it a general cleaning, put clean gasoline in the tank, newoil in the engine and let the coil dry out; all of which wasdone in six hours. (137) 584 I\ii</iiii,ri)i/j <nirl Contracthifi for Mai/ 19. 1020. Methods of Stopping Earth Slides in Rail-way Cuts Mr. C. H. Carpenter, writing in tlie Railway MaintenanceEngineer, reminds us tliat one of the most troublesome kindsof slides is that where a comparatively shallow depth of loosematerial tends to slide on the rock surface on which it rests.


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