Jensen ACU Steam Engine Air Compressor Adapter UnitJensen Steam Engine Air Compressor Adapter Unit. Use this fitting to run your Jensen steam engine on compressed air. Designed to allow the whistle to still be used. NOTE: Gaskets not included Need JN008a if you dont have an extra gasket. Click on picture for large view.

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Finely painted

with flywheel

Operating time about 15 minutes per fuel charge

The perfect way to demonstrate the basic electrical principals used by Thomas Edison in the 1880's"

Steam regulator

physics & fun

spring loaded safety valve

Reversing Lever for model #55 twin cylinder

Jensen-230-Volt Heating Element Option

Jensen Live Steam Engine Boiler with Firebox - Model # 55

Same as Model 75