. Electric railway journal . FOR THE ■ZOO BOOK TO REGENTS PARK OR F3 818 Electric Railway Journal Vol. 57, No. 18 New Line of Switchboard Instruments TH E Westing-house Electric& Man ufacturingCompany has justplaced upon themarket a new lineof ammeters andvoltmeters forswitchboard instrumentsoperate on theDArsonval princi-ple and the move-ment, complete withthe core and polepieces assembled,can be removed as a unit, thus facilitating inspectionand repairs. These instruments are designated as typeSX and are finished in a dull black marine. The over-all dimensions are in.
. Electric railway journal . FOR THE ■ZOO BOOK TO REGENTS PARK OR F3 818 Electric Railway Journal Vol. 57, No. 18 New Line of Switchboard Instruments TH E Westing-house Electric& Man ufacturingCompany has justplaced upon themarket a new lineof ammeters andvoltmeters forswitchboard instrumentsoperate on theDArsonval princi-ple and the move-ment, complete withthe core and polepieces assembled,can be removed as a unit, thus facilitating inspectionand repairs. These instruments are designated as typeSX and are finished in a dull black marine. The over-all dimensions are in. in diameter and 2il in. weight of each instrument is 9 lb.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
