No.7 Horizontal Mill Engine Cylinder 1.5" bore 2.25" stroke In the period from 1885 to 1905 the mill engine was very popular for driving mills and engineering workshops until replaced by electric motors. bolton21.jpg (6136 bytes)
No. 8 Compound Engine Cylinders 5/8"x 1 1/16" bores x 1" stroke This engine, which stands 6" high is suitable for installing in large models, built for long runs at scale speed. Bolton22.jpg (6130 bytes)
No. 9 Triple Expansion Engine Cylinders 7/8"xl.25"xl.75"bores x 1.25" stroke The most complete set of castings on the market with many features not usually found in similar models. Complete with Air Feed and Bilge Pumps and Condensor. Bolton23.jpg (11612 bytes)
No. 10 Single Acting Oscillating Engine Cylinder 3/8" bore x 5/8" stroke An ideal engine for a first attempt,as it teaches the correct use of the lathe and other tools Height 3 1/8" Bolton24.jpg (2131 bytes)
No. 11 Combined Engine & Centrifugal Pump Engine 1/2" bore x 1/2" stroke Impellor 1 1/4" A very neat little Auxiliary unit and a companion to the No. 9 Triple Engine. Height 4 1/2" Base 4 1/4" long x 2" wide Bolton25.jpg (2297 bytes)
No. 12 Beam Engine Cylinder 1 7/8" bore x 3 3/4" stroke This exceedingly beautiful model was based on the pumping engine installed at Maitland N.S.W. Currently the largest commercial beam model worldwide. Bolton26.jpg (7635 bytes)
No. 13 Air Compressor Cylinder 1 3/4"bore x 1 3/4"stroke 9" high A very useful workshop accessory for spray painting, tyre inflation,blow torch etc.Simple construction 575 r.p.m. gives 100 p.s.i. from 1/2 H.P.motor. Bolton27.jpg (2976 bytes)

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