I couldn't resist this when it came up for sale - apparently a former museum exhibit to show how things work - though all traces of who made it, when, what the prototype was, etc have been lost. Any observations in that direction would be very welcome.
As you can see it has wood in a few vital places where we might expect metal. My present thoughts are to use the wooden parts as patterns for metals parts and build it into a working engine, but a better job could be made with a prototype to fashion it on - especially as regards the cylinder. It stands about 9 inches tall.
Copy the whole thing ... now there's an idea. I must admit to being a little uneasy about messing with it, which is one reason I was asking here if anyone could nail down the model, age or anything about it. That would certainly discourage any mods to it. I'll lift it off the base and see if it is signed underneath.
I won't be doing anything right away as I have too many other things on the go. So plenty of time to see if anyone recognises the type.