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3 Cylinder Steam Launch Engine + Condenser and Feed Pumps
Steam Plant Comprising
An unusual design of engine with three 4″ bore cylinders with attached air & feed pumps, plus bronze condenser.
4″ + 4″ + 4″ x 4″ Cylinders with Slide Valves.
Approx 24″ High, Bed 3 Ft Long x 13 1/2″ Wide.
In original condition.

SISSONS Quadruple Expansion Marine Engine
Cylinder dimensions:
6” + 8½” +12″ + 16½” x 12” stroke
The ultimate medium sized marine engine…

HARRISON & Co. Compound Marine Engine
Built in Lowestoft c1900
6″ + 12″ x 7″ Cylinders with Slide Valves, on six turned columns. With attached air, feed and bilge pumps.
A high quality launch engine. For sale unrestored, but believed complete. Offered with spares for second engine.

OUTRIDGES PATENT Rotary Steam Launch Engine
This is an extremely rare, vane type reversable steam engine of around 4 – 5 H.P. believed made to Outridges patent in the mid 1880’s.
Designed for small, high speed river launches, these rotaty engines were claimed to provide an excellent power to weight ratio and to achieve the then unheard of speed of 12 1/4 m.p.h!

MUMFORD Ciculating Pump Marine Engine
By A G Mumford, Engineers of Colchester.
A marine circulating pump steam engine with attached, clutchable oil pressure pump for oil firing. From a harbour service launch (HSL).
For sale in good, original condition.
SOLD

Duplex Marine Engine
An unusual and elegant 5-10 H.P. twin cylinder marine engine. Built c1910, no makers plate but in good overall condition.

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″
Width inc base: 16″, overall 26″ x Height: 38″.
For sale incomplete and in need of major restoration.
This is a very unusual high power to weight engine designed for a high speed launch.





