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| 'W.A. COOMBER'S' ROTARY STEAM ENGINE |
 The Rotary Engine on which the model is based was invented by Mr. W.A.Coomber, engineer of Scotland Street, Ironworks, Birmingham, and described in "The Engineer" on January 21st 1876.
The Model is designed by Tubal Cain including a contemporary gramme ring dynamo for it to drive, both are the subject of a detailed constructional series in "Engineering in Miniature".
An unusual and interesting engine to build and fascinating to run at tickover or at high speed.
A Constructional Series in "Engineering in Miniature" commenced October 1990, Vol 12 No. 5 by Tubal Cain
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| 'DOUBLE DIAGONAL' STEAM ENGINE |
 This unusual cylinder configuration was originally used for Marine propulsion and was patented by Brunel in 1822. Later the design was used by the bleaching, dyeing and finishing trades where, due to the nature of the work, separate independent drives to each machine were most convenient.
The model is of an engine made by Lang Bridge Ltd., of Accrington and was used to drive a calico printing machine. Built in 1903, the prototype can be seen as a running exhibit in the Northern Mill Engine Society’s museum at Bolton, Lancashire.
Details of this accurate 1/8 scale model are as follows :-
Bore ¾" - Stroke 1 5/8" - Flywheel 7 3/8"
Overall size :- Length 12" - Width 5" - Height 10 ½"
four sheets of drawings includes all details and a full size General Arrangement.Castings are in Gun metal
the, flywheel in cast iron
We are very pleased to offer this unusual engine which was original marketed by Helix Engineering.
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| 'GRASSHOPPER' BEAM ENGINE |
 The 'Grasshopper' Type Beam Engine has been based on one in a well known steam museum.
It is relatively easy to make and assemble, and makes a very attractive model which is quite fascinating to watch when working. We have found it will run on a very low pressure of about 15lbs sq in.
The early steam engines have always held a fascination for model engineers from when the engines first became self contained, developed from the practices of using the engine house structures as engine supports, and ceasing to use wooden beams in favour of all metal construction.
The beam engine was the first of them all, appearing in various forms, A-frame type, full Entablature with four or more vertical columns, Grasshopper, Centre Column, etc., and it is not difficult to understand the appeal as the best of these were quite majestic in movement and appearance, the Grasshopper type being very popular with model engineers.
Cylinder 1 3/8" Bore x 2" Stroke - Base 18 1/4" x 6" - Flywheel 9 7/8"
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| 'STEAM HAMMER' |
 This robust Steam Hammer capable of useful work was first offered to the model engineer in The Model Engineer and Amateur Electrician in June 1899.
We are sure you will find it as interesting now as it was then to build and work.This model stands over 13"Tall and 4"Wide and 9"deep
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| 'TANDEM COMPOUND' MILL ENGINE |
 The Tandem Compound Mill Engine became quite common in the late Victorian times and was still being used in the mid-20th Century.
This Model represents a typical Tandem Compound Mill Engine of this period and has been simplified especially for the model engineer.
We are offering the main castings separate to the machined cast base as some modellers would prefer to use a wooden block with BMS bed plated and it keeps the price down. The cast machined base is for mounting on a wooden block.
Cylinder HP 1" LP 1 5/8" Bore x 1 1/2" Stroke - Flywheel 6" - Base 18 1/2" x 7"
As featured on the Front Cover of the Model Engineer No.3879 Vol 165 August 1990. Which was also the start of a series on the construction of this model.
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