duce a polished finish. Heretofore The casing of the engine, one side plate of which is this operation, in the case of articles provided with a removable, is made with a lower circular chamber in which the piston drum works, and with an upper com- ‘+ thread covering or having an even surface, has… … cavity. The outer edges of the springs also run in contact which is a similar frame mounted to slide vertically. with the walls of the valve chamber, and prevent steam sure on the spring being relieved, the shaft may be Cast on the column is a plate, which forms a support from blowing through the…
Internet Archive · Public domain (published before 1931). Free to use for anything.
