. Electric railway journal . Double Petticoat SuspendedInsulator Disk Type StrainInsulator they may readily be removed and a new section put inplace, thereby avoiding the loss of the entire bushing. Itwill, of course, be evident that either one of the severalbushings may be made of any predetermined length. Thebushing is provided with a protector, which shields theexposed parts from rain, snow, sleet, etc., and which may be made integral with the bushing or attached separatelythereto. The central bushing is provided with detachablemembers for supporting the line centrally with relationto the b
. Electric railway journal . Double Petticoat SuspendedInsulator Disk Type StrainInsulator they may readily be removed and a new section put inplace, thereby avoiding the loss of the entire bushing. Itwill, of course, be evident that either one of the severalbushings may be made of any predetermined length. Thebushing is provided with a protector, which shields theexposed parts from rain, snow, sleet, etc., and which may be made integral with the bushing or attached separatelythereto. The central bushing is provided with detachablemembers for supporting the line centrally with relationto the bushing. By means of these members the centralbushing may be made watertight, thereby maintaining atall times a dry surface within the bushing. Finally, an. Wall Bushing with Hood Protector insulating locking member is provided for securing thebushing relatively to the wall or barrier, thereby obviatingthe trouble and expense incident to cementing a bushinginto place or removing it. These bushings may be mountedinto or removed from the wall very readily. AN EFFICIENT LOCK NUT The accompanying engraving shows the construction ofa recently devised lock nut, which, it is claimed, will notonly lock securely in place at any point on the bolt, butwill actually tighten by vibration. The Vibration lock-nut is similar in appearance to the
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
