. Electric railway journal . 1 fc»* J. OVERHEAD SWITCH USED WITH IRON BAR TROLLEYCONSTRUCTION FRONT AND END ELEVATIONS OF MANDREL USED FOR BABBITT-ING ARMATURE BEARINGS 238 ELECTRIC RAILWAY JOURNAL [Vol. XLVIII, No. 6 babbitting, few of which have proven satisfactory. Achuck shown in the drawing has been designed by , foreman of the armature winding depart-ment at the Sixty-fifth Street shop. It is constantly inuse at this shop. It enables a man skilled or unskilledto turn out a bearing perfectly true in about one-thirdof the time taken with the old-style lathe chuck. Asthe principle
. Electric railway journal . 1 fc»* J. OVERHEAD SWITCH USED WITH IRON BAR TROLLEYCONSTRUCTION FRONT AND END ELEVATIONS OF MANDREL USED FOR BABBITT-ING ARMATURE BEARINGS 238 ELECTRIC RAILWAY JOURNAL [Vol. XLVIII, No. 6 babbitting, few of which have proven satisfactory. Achuck shown in the drawing has been designed by , foreman of the armature winding depart-ment at the Sixty-fifth Street shop. It is constantly inuse at this shop. It enables a man skilled or unskilledto turn out a bearing perfectly true in about one-thirdof the time taken with the old-style lathe chuck. Asthe principle of this new-style chuck is practically thesame as that of an ordinary drill chuck, all that isnecessary is to place the bearing in the chuck and turnthe tightening sleeve, which causes the bearing to beclamped in a true and centered position. Bushingsmust be provided for the different size bearings, asthe movement of the jaws is only about % in. Summer Ventilation for MotorsObtained by Slight Alterations Scrap Brake-Hanger Springs Ar
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
