Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 140
pe is threaded with threads that are perfect at both top and bottom. Furtherback, beyond the perfect threads, come two threads that have the same taper atthe bottom, but which are imperfect at the top. The remaining part of the screw,which consists of four threads that are imperfect at both top and… … _^H- .25 -»«— .26 Fig. 5. — Section through a Six-inch Pipe. of pipe up to 10 inches in diameter, with the actual inside and outside diameters,the thickness of metal in the body of the pipe, the length of the taper and perfectscrew, the outside diameter of the thread at the end of the pipe, and the…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-347-241.webp)
