I've got a growing interest in these locos, and am looking to produce a variety of models of them. As far as I know, these are the variations -
The original (I seem to recall) Spanish Broad-Gauge locos, built for the Bilbao and Tudelo Railway in Northern Spain.
From the thread below, I also now know that at least one of these passed to the Madrid Sugar Co, shown above.
I seem to recall the Met A Class were the next ones to be built - here's one in original con
A suggestion in the Hattons 4/6w thread has made me wonder what ought to be tooled for if these were to be produced RTR, and how many liveries could be produced from that tooling. I'm thinking of the following tooling variants -
Class A (As-built Metropolitan condition - Open Cab, Dome on first ring, Salter Safety Valves, Tapered Copper-Capped chimney, Small weatherboard, thin vertical pipes on tanks)
Class A (Later Metropolitan condition - Open Cab, dome on second ring, se