. Electric railway journal . Model 45 D. C. Portable Ammeters and Voltmeters Designed to meet thedemand for a medium-priced Ammeter andVoltmeter. They areguaranteed to be of suf-ficient accuracy (oneper cent) for generaltesting in electric powerplants, or for outdoorwork. They are shielded fromthe influence of externalmagnetic fields. themovement and magneticsystem being enclosedin an iron case perma-nently mounted in ahandsome wooden carry-ing-box with hingedcover. The scale has a mir-ror over which the knife-edge pointer can be madewithin 1/10 of a divi-sion at any part of t

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. Electric railway journal . Model 45 D. C. Portable Ammeters and Voltmeters Designed to meet thedemand for a medium-priced Ammeter andVoltmeter. They areguaranteed to be of suf-ficient accuracy (oneper cent) for generaltesting in electric powerplants, or for outdoorwork. They are shielded fromthe influence of externalmagnetic fields. themovement and magneticsystem being enclosedin an iron case perma-nently mounted in ahandsome wooden carry-ing-box with hingedcover. The scale has a mir-ror over which the knife-edge pointer can be madewithin 1/10 of a divi-sion at any part of thescale. In mechanical and electrical workmanship the Weston Model 45 Portable Ammeters andVoltmeters practically attain perfection. A full description will be found in Bulletin 501, which will bemailed to you on request. Weston Electrical Instrument Co. 21 Weston Ave., Newark, New YorkChicagoPhiladelphiaBoston St. LouisDenver San FrancUcoDetroit ClevelandBuffaloCincinnatiRichmond TorontoMontrealWinnipegVancouver BerlinParisLondonPetrograd

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp