All About Engines
Forfatter: Edward Cressy
År: 1918
Forlag: Cassell and Company, LTD
Sted: London, New York, Toronto and Melbourne
Sider: 352
UDK: 621 1
With a coloured Frontispiece, and 182 halftone Illustrations and Diagrams.
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All About Engines
be drilled, as the
punched, but should always
Fig. 23.—How the joints are caulked
in Fig. 23. Removable covers or “
plate is less
likely to be
weakened. The
j oints are finally
made steam-
tight by u caulk-
ing” or hammer-
ing with a bhint-
ended chisel, as
manholes,” as in
Fig. 24, have to be provided to enable the last rivets
to be put in,
the boiler to
be inspected,
and the scale
removed from
time to time.
Though these
openings are
about 16 inches
long by 10 in-
ches wide there
is not much
room for a
man to squeeze
through. A
friend of the
writer’s, of
Fig. 24.—Manhole and cover
substantial build, was once working inside a boiler,
and on endeavouring to get out found that he was