. Electric railway journal . 20 ELECTRIC RAILWAY JOURNAL [March 20, 1915. This Policy is emphasizedby the Pennsylvania Rail-road by its use of PROTECTIVEHIGHWAYCROSSINGSIGNALS The crossing is one of the important points of relation between the publicand the transportation companies, and crossing protection is becoming an im-portant consideration in railway work. The PROTECTIVE SIGNAL MFG. COMPANY has combined the three ele-ments of Simplicity, Safety and Economy in its devices, and has 1. Cut down cost of installation and maintenance. 2. Eliminated bond wires, insulated joints and track circui
. Electric railway journal . 20 ELECTRIC RAILWAY JOURNAL [March 20, 1915. This Policy is emphasizedby the Pennsylvania Rail-road by its use of PROTECTIVEHIGHWAYCROSSINGSIGNALS The crossing is one of the important points of relation between the publicand the transportation companies, and crossing protection is becoming an im-portant consideration in railway work. The PROTECTIVE SIGNAL MFG. COMPANY has combined the three ele-ments of Simplicity, Safety and Economy in its devices, and has 1. Cut down cost of installation and maintenance. 2. Eliminated bond wires, insulated joints and track circuits. 3. Not required readjustment of signals, or track circuits, or track already in use. 4. Effected entire safety of crossing. State your requirements to us, and we will match our signals—on trial—againstyour needs. The Protective Signal Mfg. Co., Denver, Colorado WILLIAM R. GARTON, GENERAL SALES MANAGE R, 299 BROADWAY, NEW YORK, N. Y. W. R. Garton Co., 11-17 So. Desplaines St., Chicago. The Allen General Supplies, Ltd., 205 Yonge St., TorontoJohn S. Black Co., 90
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