File:Electric railway journal (1917) (14758363401).jpg

Identifier: electricrailway491917newy (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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of Weight and Measure: Definitions and Tables ofEquivalents. Bureau of Standards. Technologic PaperNo. 47. Government Printing Office, Washington, D. C.Sixty-eight pages. Paper, 15 cents.This paper is intended to supply the need for variousauthoritative tables of weights and measures for convertingthe United States customary units into metric units, andvice versa. It contains sixty-eight pages of definitions andtranslation tables, and gives official definitions of the unitsand definite statements as to the spelling and abbrevi-ations of the various units of measurement. Since the useof the metric system in foreign trade is necessary either incatalogs and price lists, in the making up of metric packages,or in working the metric dimensions, the circular will befound especially timely. A copy should be in the hands ofevery one engaged in foreign trade, scientific or technicalwork, etc. ELECTRIC RAILWAYJOURNAL New York, January 6, 1917 McGraw Publishing Co. Inc. Vol. 49, No. 1 10c a copy
Text Appearing After Image:
Within ihe 20.3 miles between Broad Street, Philadel-phia, and Paoli, there are 93.6 miles of the highest classelectrified railroad. The operating current is transmittedover the catenary suspended trolley wire at n,000 volts,single phase. For this important electrification, theRailroad held to the high standards it has set .railroad field. For the line of contact between the car and t^e distri-bution system it chose

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