. Electric railway journal . AT LEFT—BASKET OF FIELD COlLS SUSPENDED FROM TROLLEY CRANE, READY FOR TRANSFERRING TO BAKINGOVEN. IN CENTER—BAKING OVEN WITH ARMATURES AND FIELD COILS IN POSITION FOR BAKING. A?: RIGHT—INTERIOR OF IMPREGNATING ROOM, February 21, 1920 Electric Railway Journal 387 stirrer in the impregnating compound tank below. Onthe outside wall are the switchboard and transformerused in testing armature insulation and also a pyrom-eter to indicate the oven temperature. The oven isheated by electric current controlled through the switch-board shown at the right in the general illus
. Electric railway journal . AT LEFT—BASKET OF FIELD COlLS SUSPENDED FROM TROLLEY CRANE, READY FOR TRANSFERRING TO BAKINGOVEN. IN CENTER—BAKING OVEN WITH ARMATURES AND FIELD COILS IN POSITION FOR BAKING. A?: RIGHT—INTERIOR OF IMPREGNATING ROOM, February 21, 1920 Electric Railway Journal 387 stirrer in the impregnating compound tank below. Onthe outside wall are the switchboard and transformerused in testing armature insulation and also a pyrom-eter to indicate the oven temperature. The oven isheated by electric current controlled through the switch-board shown at the right in the general impregnating plant was built by the J. P. DevineCo., BulTalo, manufacturer of vacuum drying consists of two tanks which are lined with steamcoils for heating the compound. One tank containsthe supply of compound which is allowed to run intothe second tank after a vacuum has been compound is first heated to 300 deg. F. and isthen blended until the proper specific gravity is ob-ta
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
