The sides are lined internally with wood, which prevents the objects
to be infected from coming into contact with the metal. The objects to
be treated are placed upon wire cloth shelves. The pinge cock likewise
serves for drawing off the air or steam contained in the apparatus.
The stove is supported upon an axle through the intermedium of two
angle irons riveted longitudinally upon the cylinder. The axle is
cranked, and its wheels, which are of wood, are 41/2 feet in diameter.
The shafts are fixed to the angle irons. The apparatus is, in
addition, provided with a seat, a brake, and prop rods before and
behind to keep it horizontal when in operation.
The boiler that supplies this stove is vertical and is mounted upon
four wheels. It is jacketed with wood, and is provided with a water
level, two gauge cocks, a pressure gauge, two spring safety valves, a
steam cock provided with a rubber tube that connects with that of the
stove, an ash pan, and a smoke stack. In the rear there are two
cylindrical water reservoirs that communicate with each other, and are
designed to feed the boiler through an injector. Beneath these
reservoirs there is a fuel box. In front there is a seat whose box
serves to hold tools and various other objects.
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