Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 152
rule for calculating the pressure at which they will collapse. The cut illustrates the usual form of these floats. They are spun up in halves fromsheet copper, and a rib is formed on one half. Into this rib the other half fits, and thetwo are then soldered or brazed together. In order to facilitate… … A Copper Float. thickness of the metal may be anything up to about Jg of an inch, if the spinning isdone on a hand lathe, though thicker metal may be used when special machinery is pro-vided for forming it. In the process of spinning, the metal is thinned down in placesby stretching; but the…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
