On Fri, 15 Jul 2011 19:27:33 +0000, Andy Breen wrote:


Checking the ER procs. suggests that Black Billy may also have had a
wrought iron boiler, so the date for suitable boiler plates becoming
available may be more like 1812-13 than 1813-14.


Scratch that - got the article in front of me (ER3, Rees & Guy, p206)
and the boiler construction of 'Black Billy' is one of those
things not known..

--
From the Model M of Andy Breen, speaking only for himself