A well-advanced "Minnie", Len Mason's popular design for a freelance agricultural traction engine.

Work to date comprises:

• Silver soldered copper boiler

• Hornplates machined

• Crankshaft machined, connecting rod fitted

• All gears cut

• Wheels built, front wheels complete with axle

• Valve and pump eccentric straps and sheaves

• Expansion link, die block and eccentric rods

• Weighshaft with lifting links

• Water pump

• Smokebox with chimney base, chimney, smokebox door

• Valve and regulator chests

• Safety valves

• Pair of guide bars

There is a quantity of unmachined castings, including the cylinder block and what is probably the grubbiest copy of  "Scale Model Traction Engine building" I've ever seen.

Numerous pictures of complete examples of this popular design in the archive.

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