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The pneumatic motor was unique. Instead of having the
conventional folding pneumatics, the crank shaft was
propelled by linkage going to six giant pouches which
would sink into the hollowed-out cavity when the
distributor valves on the opposite side of the motor body
connected to vacuum. The stack has unit valve blocks
in three rows* and secured with two wood screws (see
gasket no. 1234). The front of this valve block was faced
with bellows cloth.
Most of the early models have a double set of tracking pneumatics with two valves in each set. However, the later models have only one tracking pneumatic. Also, very late models have a completely different three-tier stack with individual tiers connected together with large supply tubing. They also have a bleeding tracker as opposed to the earlier valved type.
407 19th Ave, Brick, NJ, 08724
Phone Number 732-840-8787