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MODEL ENGINE CONSTRUCTION.
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imitations and not real tanks for holding water: both are made of tin. Each consists of an outer plate, which by means of angles is bolted to the side frames; the ends (the front one fits the con- vexity of the boiler) and the top are soldered to the outer plate, the inner edges rest against the boiler barrel. An inside plate only extends from
Fig. 54.
the hind end up to the fire-box on the foot-plate at both sides. The sides of the cab are soldered to the top of the tanks, fitting over the saddle- plate in front.
The lamp is made of tin, and this slides along a groove underneath the coal-bunker and foot-plate, between the wheel frames; the neck, which passes
