. Electric railway journal . DETAIL OF NEW PIPEWRENCH LaRock Wrench, and it is quite simple in constructionsince it contains only three parts, with no screws,springs, pins or ratchet, the absence of which makesadjustment unnecessary, and the jaws in the wrenchare always in a position to do pipe work. Hand Brake and Slack Adjuster The Home double-acting hand brake, which the LordManufacturing Company recently put on the market andwhich was described on page 574 of the Electric Rail-way Journal for March 18, 1916, has been further im-

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp