OO teration of the top of the ordinary carriage IMPROVED PIPE JOINT. clamping and unclamping induce wear, and throw the in- Mr. W. P. Valentine, of New York city, whose invention strument out of adjustment. The improvement in this dial consists in the addition of a we herewith illustrate, informs… … angle by simple mechanical means, without the use of fire into 360°. and soldsr. He employs sorkets made of two half shells, B, and remains rigid. The swing sights move on axes fixed to fitted by means of a projecting shoulder to the recessed ends the body, on the outside ring of which is attached…
Internet Archive · Public domain (published before 1931). Free to use for anything.
