SISSONS Quadruple Expansion Marine Engine
Cylinder dimensions:
6” + 8½” +12″ + 16½” x 12” stroke
The ultimate medium sized marine engine…
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10″ Dia flywheel.
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HERRESHOFF? Triple Expansion Marine Engine
4 3/4″ x 7 1/2″ x 12″ + 6″ Cylinders.
High speed launch engine of about 40 H.P.
Believed made by Herreshoff of Rode Island, USA.
p.v. to H.P. Cyl, s.v. to M.P. & L.P. Cyls.
C/L crank to underside frame: 6″.
Length inc base: 38″, overall: 44″
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COMPOUND Steam Launch Engine 2″ + 5″ x 6″
2″ + 5″ x 6″ Cylinders
With slide valves, on cast standards.
Wt est 250 Kg.
An early marine steam engine of elegant design.
For sale in restored condition.










