Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 106
. The chaml i t of theouter casing is kept from communicating with the external air, as it is inspired, by a portion of theinternal revolving disk, which i- made to work air-tight as possible in the outer casing. Here i- exactlythe embarrassment of the arrangement, which imposes a higher cost upon…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
