Fixed Steam Engines

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Semi-Portable Steam Engine

Engine:- Single or Compound Cylinders

Output:- Single 2-12 NHP Compound 8-40 NHP

Production Years:- circa 1865 to 1930s

Price New:- 1888 Single £86-230 Compound £200-710

The full range of portable engines were also available in modified form as over-type steam engines for driving pumps, grinding mills and industrial equipment. A large number were exported to eastern Europe.

Stationary Engine Under Locomotive Type Boiler

Engine:- Single or Compound Cylinders

Output:- Single 4-12 NHP Compound 10-40 NHP

Production Years:- circa 1865 to 1930s

Price New:- 1888 Single £130-250 Compound £245-740

This type of arrangement with the engine underneath the boiler was often preferred, especially for the larger sizes, as only slight foundations were required. When the boiler is full of water the whole unit becomes rigid. They were well suited for export as they could be easily dismantled and packed into packing cases.

Horizontal Steam Bed Engine

Engine:- Single or Tandem

Output:-  25-2000 BHP

Production Years:-  circa 1858 to 1930s

Price New:- In 1888 £40-£500 (Small to Medium Sizes)

The first steam engine was designed by William Marshall.

The smaller engines (as per the photo above) were used to drive small equipment or electric generators. The larger engines up to 2000 BHP were used in factories or mills to drive machinery etc.

Vertical Steam Bed Engine

Engine:- Single or Compound.

Output:- 2-14 NHP (1 NHP = approx. 6 -7 BHP)

Production Years:-  circa 1860 to 1930s

Price New:- In 1888 Engine and Boiler £65-240

Above is a photograph of a Marshall boiler and a Marshall vertical steam engine driving a Rose Brothers of Gainsborough toffee wrapping machine. The engines were also used for driving electric generators, wood working machines, grinding mills and for general use in machine shops and warehouses. ffffffffff f