File:Electric railway review (1906) (14781025693).jpg

Identifier: electricrailwayr19amer (find matches)
Title: Electric railway review
Year: 1906 (1900s)
Authors: American Street and Interurban Railway Association
Subjects: Street-railroads Electric railroads
Publisher: Chicago : Wilson Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
Philadelphia Rapid Transit Hose Bridge—Details of Construction. of interesting design. Reference to the line engraving willshow that the bridge has a total length of 22 feet 7 incheswith a rise at the center of eight inches. The resultingincline is so slight that a car can easily pass over the bridge,even though the condition of the rails may be exceptionallybad. Structurally, the bridge comprises a cast sectional framewith two incline points for each rail, and a center top rail mate weights of the various parts are as follows: Manganesesteel points, 150 pounds each; malleable iron centers, 150pounds each; center sections of rail head, 75 pounds each. An accompanying illustration shows one of these bridgesin actual service during a fire in the business district ofPhiladelphia. The time required for loading one of thesebridges on a trolley wagon, getting out of the emergencyhouse, unloading the bridge and setting it up ready for the
Text Appearing After Image:
Philadelphia Rapid Transit Hose Bridge—View When in Service. which can be lifted out of its seats in the malleable ironframework so that a line of hose may be inserted or takenaway with the least possible hindrance to passing cars. Thepoints of the bridge are cast of. manganese steel and thecenter framework is of malleable iron. Outriders with ad-justing screws are provided for each side of the bridge sothat the temporary structure may be given a wide bearing onthe pavement adjoining the running rail. The two halvesof the bridge are joined by seven tie rods. The three centerrods are provided with adjusting nuts and the two tie rodsat each end are fastened to the opposite sides of the bridgeby means of wedges driven to place. The bridge will accom-modate four lines of 5-inch hose and space is also available passage of a car, not including the time required for driving,is 4VZ to 5 minutes, only. The Illinois Traction Company is installing telephonebooths at each siding on the Springfi

Note About Images