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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Raising Steam 77
size or weight, and steam can be got up within an
hour of lighting the fire. Finally, by a modification
of the furnace only, it can be used for any kind of
fuel — coal,
oil, timber,
rice husks,
sugar - cane
refuse, and
any other
substance
that is com-
bustible.
For use
on ships the
drum is
placed at
right angles
to the tubes
and over the
front head-
ers as in Fig.
42, and the
water is con-
veyed from
the rear
header to the
Fig. 42.—Section through Babcock and Wilcox
marine boiler
drum by
means of
horizontal tubes. This gives a shorter boiler, whicn
is rather more suitable for the restricted space avail-
able. The brickwork is also replaced by a sheet-iron