]
The slit lower side of the plate is splayed out into a series of "feet," by
three or more of which, the chamber is secured to the base. Bend the plate
round the barrel and put the two screws and bolts which hold the ends in
place, and tighten them until the barrel is gripped firmly. Screw the
engine to its base, fit on the rubber water connections, and fasten down
the tank by a screw through the centre of the bottom. The screw should pass
through a brass washer, between which and the tank should be interposed a
rubber washer to make a water-tight joint.
The Lamp.--The lamp shown in Fig. 104 was made out of a truncated brass
elbow, a piece of 5/16-inch brass tube, and a round tin box holding about
1/3-pint of methylated spirit. A tap interposed between the reservoir and
burner assists regulation of the flame, and prevents leakage when the lamp
is not in use.
Running the Engine.--The power and displacer cranks must be set exactly
at right angles to one another, and the first be secured by soldering or
otherwise to the crank shaft. The fly wheel will revolve in that direction
in which the displacer crank is 90 degrees ahead of the other.
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