Identifier: streetrailwayrev10amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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rical resist-ance of the joints of water and gas pipes and Kdison tubes increaseswith age because of the galvanic action between the metal of thepipes and the lead of the joints, and that the effect of this increasein joint resistance is to cause electrical currents that may flow inthe pipes to shunt around the joints through the surrounding earthor (in water pipes) the enclosed water, and pit the pipes. As a preventive of this destructive action Mr. Knudson pro-jioses to electrically bond the iron pipes and has secured patents onsuch bonds. The bonds arc tinned copper rivets; under the headof the rivet is a washer made of a spiral of copper wire which canreadily be made to conform to the curvature of the pipe. At thebell end the rivet is driven into a hole drilled in the interior of the))ipe, aiul at the spigot end driven in a hole and the end riveted onthe inside of the pipe. One or more pairs of these contacts arc tobe used at each joint. Connection between the rivet contact pieces
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CAK FOR THK CRNTR.4I. LONDON KY. the body, 8 ft. 6 in wide at the panels, 7 ft. 5 in. high in themiddle. The uiulerframing is of rolled steel channels, connectedby knees and gusset plates, and the body framing of well-seasonedteak, the side frames being trussed with diagonal bracing, strapbolts and vertical tie rods. The trucks have a wheel base of 5 ft. and arc spaced 29 ft. 6 in.between centers, giving a total wheel base of 34 ft. 6 in. The axlesarc of Siemens-Martin steel, 4 in. in diameter in the wheel seats,and with journals 6 ,\ 3 in. The wheels are 29 in. in diameter, withsteel tires 4A in. wide by 2 in. thick. The gage is 4 ft. SI2 in. the were made bv the Leeds -The truck frames arc of steel;Forge Co. The platforms at each end are 3 ft. 3 in. long and fitted withGold automatic locking platform gates on each side; also, acrossthe ends are iron screens 4 ft. 6 in. high, and the cars are con-nected by collapsible gates to prevent passengers stepping betweenthe cars. The cars all

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