. American engineer and railroad journal . New. Worn,The Interlocking Brake Shoe. Worn Steel-Back Shoe. lifetime. The stop pins are made conical to compensate forwear. This is, as the name indicates, a device for rapid work,and we should say that not only every chief draughtsman andengineer but every individual draughtsman should supplyhimself with one of them. The manufacturers are the Uni-versal Drafting Machine Company, Blackstone Building, Cleve-land, Ohio. This company also make a draughting machinewhich was exhibited at the Saratoga convention last Juneand has been adopted in a number of
. American engineer and railroad journal . New. Worn,The Interlocking Brake Shoe. Worn Steel-Back Shoe. lifetime. The stop pins are made conical to compensate forwear. This is, as the name indicates, a device for rapid work,and we should say that not only every chief draughtsman andengineer but every individual draughtsman should supplyhimself with one of them. The manufacturers are the Uni-versal Drafting Machine Company, Blackstone Building, Cleve-land, Ohio. This company also make a draughting machinewhich was exhibited at the Saratoga convention last Juneand has been adopted in a number of well-appointed draught-ing-rooms. The writer believes this to be an excellent device,and it is time the draughtsman received some consideration inthe matter of equipment for his arduous work. There hasbeen no satisfactory improvement in draughting applianceswhich has come to our notice which deserves to be comparedwith this in importance. As to accuracy of operation, it issufficient to say that we are informed of a recent test of a36-in.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
