Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 586
it is intended to prevent the passage of steam at the breaksof the segment, instead of the common method of using two rings, each of half the thickness, with thejoinings of the one ring placed midway between those of the other. We believe this construction hasbeen found to answer perfectly; but… … Scale.—1 inch=l (but. Fig. 1537 represents plan and section of a piston, differing from the above in having only one wedgeand break in the ring instead of four. The set screw, on the side farthest from the wedge, might beomitted; the two side-screws serve in some measure to compensate for the…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-404-175.webp)
