. Electric railway journal . eland a pulley on opposite ends of a shaft, mounted on a6-in. x 8-in. timber. This is laid across the track underthe car, and bolted down, and power is supplied by atrack-grinder motor which is set in the pit. The caris jacked up, and the proper car motor is operated toturn the defective wheel, while the remaining motorsare cut out. The emery wheel has a feeding mech-anism operated by a ball handle similar to that of alathe tool. With this method it is possible to grind a wheel dur-ing the time it would take to prepare it for turningin a lathe. By providing two eme
. Electric railway journal . eland a pulley on opposite ends of a shaft, mounted on a6-in. x 8-in. timber. This is laid across the track underthe car, and bolted down, and power is supplied by atrack-grinder motor which is set in the pit. The caris jacked up, and the proper car motor is operated toturn the defective wheel, while the remaining motorsare cut out. The emery wheel has a feeding mech-anism operated by a ball handle similar to that of alathe tool. With this method it is possible to grind a wheel dur-ing the time it would take to prepare it for turningin a lathe. By providing two emery wheels, with thepulley in the middle, two wheels can be ground simul-taneously, thus saving more time and making the workon both more nearlv the same. APPARATUS FOR GRINDINGWHEELS AT THE PIT Protecting Signs Used in Rochester ACONVENIENT and substantial danger sign usedDy the New York State Railways, Rochester, N. shown in Fig. 1. It consists essentially of an ironframework supporting the signboard, which is about 2. ft. square and upon both sides of which the sign ispainted in different color combinations. Two hooks,screwed to the top of the board, provide places for hang-ing lanterns. This sign is used almost exclusively throughout thecity to protect track gangs and material and also inplace of regular Street Closed horses. While it is im-possible to give any data as to the effect its use has hadon the prevention of accidents, it is considered wellworth its cost, since the ease with which it is trans-ported adapts it especially to repair and constructionwork on city streets. The cost of this sign in the earlypart of last year was $6. During construction work on its interurban lines thecompany uses the standard flagstaff shown in Fig. is used also with a yellow flag or a yellow lightwhen work requiring low-speed operation is in is also easily shifted from place to place. Effective Snowplow Equipment forInterurban Roads THE Bamberger Electric Railroa
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