. Official proceedings . OFFlCIALr PROCEEDINGS ll^^Year 25^ Br Copy Vol. XXXVL MAY 27, 1937. RAILROAD COMMUNICATION SYSTEMS ANDPRACTICES By MR, W. R. TRIE3I, General Superintendent of Telegraph,The Pennsylvania Railroad, Philadelphia, OKONITE (RUBBER) and VARNISHED CAMBRICINSULATED WIRES and CABLES liauton Tape THE OKONITE COMPANY OkonlU Tap* Founded 1876THE OKONITE-CALLENDAB CABLE COMPANY, IwFactories: Paasaic. N. J. - Paterson. N. J.^^^^ Saita O^FtMa: J^^!t^ N«ia York • Ckitapo • Dttroit • Pitttburgh^mtHg^k PhUadtlpkia - St, Louia - Atlanta - San traneiMco■■IHHB Lo&Angrisa . Seattle • D


. Official proceedings . OFFlCIALr PROCEEDINGS ll^^Year 25^ Br Copy Vol. XXXVL MAY 27, 1937. RAILROAD COMMUNICATION SYSTEMS ANDPRACTICES By MR, W. R. TRIE3I, General Superintendent of Telegraph,The Pennsylvania Railroad, Philadelphia, OKONITE (RUBBER) and VARNISHED CAMBRICINSULATED WIRES and CABLES liauton Tape THE OKONITE COMPANY OkonlU Tap* Founded 1876THE OKONITE-CALLENDAB CABLE COMPANY, IwFactories: Paasaic. N. J. - Paterson. N. J.^^^^ Saita O^FtMa: J^^!t^ N«ia York • Ckitapo • Dttroit • Pitttburgh^mtHg^k PhUadtlpkia - St, Louia - Atlanta - San traneiMco■■IHHB Lo&Angrisa . Seattle • DaUaa - Wathtngton The proof of your interest in the Club can be enhanced by securing a NEW MEMBER. Application form is available in this magazine. Look it up and ACT NOW. OFFICIAL PROCEEDINGSOF The Railway Club of Pittsburgh Organized October 18. 1901 Published monthly, except June. July and August, by the Railway Cluk ofPittsburgh. J. D. Conway. Secretary. 515 Grandview Ave., Pittsburgh, Entered aa Second Class Matter February 6, 1915, at the Postoffice at Pittsburgh,under the Act of March 3, 1879. Vol. XXXVI. Xo. 7 Pittsburgh, Pa., May 27,1937 $ Per Year25c Per Copy /^^fW^^^ f STUCKI 1 I Side Bearings k


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