On Fri, 15 Jul 2011 05:05:17 -0700, Matty F wrote:

shurely shome mistake

Boilers are not cast iron just for starters

Not (usually..[1]) in locomotive applications for many years, but
it was the standard material for many boilers - including locomotive
ones back in the earlies.

The first commercially successful locomotives - and the first
exported - had cast iron boilers, after all..

[1] Does the replica of the Gateshead machine that masquerades as the
Pen-y-Darren machine have a cast boiler? Trevithick certainly used
'em..

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