SIMPSON DENNISON Tandem Compound Launch Engine
£ P.O.A.
Cylinder dimensions:
2½” + 4½” x 4” stroke
Overall engine dimensions: 31 inches high, 17 inches wide and 16 inches deep.
A reversing marine engine with tandem compound cylinders, Stephenson slotted link valve gear,
crosshead-driven feed pumps, lubrication system, draincocks and mahogany lagging.
This very rare engine by Simpson Dennison of Dartmouth was built 1885, prior to the company name change to Simpson Strickland & Co.
Related Items
RANSOMES, SIMS & JEFFERIES Compound Marine Engine
With Radial Valve Gear
Approx 35 H.P.
~ Built c1905 ~
Complete with boiler, propeller and auxiliaries.
For sale in good, original condition.
SOLD 
£16,000.00
A.G. MUMFORD Steam Yacht Engine
Compound Marine Engine
Thought to be by A.G. Mumford, Colchester, c1910.
5″ + 10″ x 8″ Cylinders with Slide Valves.
Stephenson link reversing gear.
Twin air pumps and boiler feed pumps.
Approx 42″ High, Bed 40″ Long x 18″ Wide.
A very well made Mumford engine probably designed for a small steam yacht. For sale in good, original condition.
REIDS Twin High Pressure Marine Engine
By Reids of Glasgow, c1900.
2.5″ + 2.5″ x 4″ Cylinders
Slide valves with link reversing gear.
For sale in good condition.
SOLD 
£5,500.00
TWIN HIGH PRESSURE Marine Steam Engine
3″ + 3″ x 5″ Cylinders.
Approx 30″ High.
An English factory made marine steam engine with slide valves and Stephenson Link reversing gear.
On cast standards and fitted with later toothed flywheel for belt work. For sale complete and in good condition.
SOLD 
£ P.O.A.
Compound Steam Launch Engine
120 + 250 x 117 mm Cylinders
A continental built launch engine with link motion reversing gear. On turned front columns and cast back standards, with integral surface condenser. A high quality launch engine of around 40-50 HP @ 250 rpm, at 150 psi.
SOLD
SOLD 
£3,500.00
LACK Single Cylinder Launch Engine 4″ x 4″
Approx 4″ x 4″ Cylinder
Base 18″ x 14″, 32″ high overall.
Slide valve with link reversing gear.
An attractive single cylinder steam launch
engine on turned columns with
attached boiler feed pump.
Solid disc flywheel.
Wt approx 70 Kg.
In good, restored condition.
SOLD
SOLD 
£2,750.00
Single Cylinder Steam Launch Engine 3½” x 2″
Approx 3½” x 2″ Cylinder
Base 13″ x 13″, 21″ high overall.
An attractive single cylinder high speed
steam launch engine on four turned columns.
With a solid disc flywheel.
Wt approx 90 Kg.
In good, restored condition.
TWIN HIGH PRESSURE Marine Engine
2″ + 2″ x 4 1/4″ Cylinders
29″ High, Base 12″ x 12″.
Solid disc flywheel.