File:Electric railway journal (1911) (14756657321).jpg

Identifier: electricrailway381911newy (find matches)
Title: Electric railway journal
Year: 1908 (1900s)
Authors:
Subjects: Electric railroads
Publisher: (New York) McGraw Hill Pub. Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
ial anchor hanger to obviate thetipping up of the ear. BRACKETS The two brackets which seem to give the best results areof the T-iron type with iron sockets at the pole. All partsof these brackets are accessible for painting and can beeasily inspected to determine if any rusting has set in.Bracket No. 3 is of I-beam construction and has also provedsatisfactory for the same reasons. Bracke.t No. 4 is composed of two small channels rivetedtogether with spacing blocks which were installed to helpin fastening the fittings. Bracket No. 5 consists of twoangles which are spread apart at the pole ends. It is alsoprovided with spacing blocks. These two patterns havebeen found to be more susceptible to rust and locomotivegases than the single-beam designs, because their inner sur-faces cannot be easily inspected or painted by the linemen.Some brackets of type No. 4 were furnished with com-position yokes which did not have the required strengthsuch as could be obtained from malleable-iron yokes.
Text Appearing After Image:
Catenary Lines After Test—Sagging Wires at AnchorageApproaching the Trolley Wire Bracket No. 6 resembles No. 5 only in that both used twopieces for the arm, the pole being located between thesepieces at the places of attachment. This last bracket notonly possesses the faults of No. 5, but is also too heavy, andits connections at the arm and pole are poorly designed. NOVEM BER l8, 191 I. I MESSENGER WIRE The steel messenger wire seems to be in as good condi-tion as when it was installed. There has been no wear onit from any of the hangers, and it is only slightly blackenedfrom the weather and locomotive gases. The copper mes-senger is also in very good condition, as it is slightly black-ened in the same way as the steel messenger. No chemicalaction was observed on the section where a copper mes-senger is installed between galvanized hangers. There isobservable only a slight rubbing on the top of the messengerwire at the point where the hanger rests. This was a pointon which informati

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