The very earliest boilers made by Nicholas Holman of Cornwall, who began making boilers circa 1801, included riveted iron egg-ended boilers. I understand the Holman Collection included account books of his, which may help, but although I know that the hardware from this collection ended up at Poldark Mine museum at Wendron, Cornwall, I don't know what became of the paper archive. I suggest you try the Cornwall Record Office in Truro.
>
> From: Michael Messenger <[log in to unmask]>
> Date: Mon 21/Jul/2003 19:23 GMT
> To: [log in to unmask]
> Subject: Re: Egg-ended boilers
>
> There is an egg-ended boiler surviving at the Nantgarw Pottery, just north
> of Cardiff. A knowledgable friend dates it at 1820/30. It is in a
> precarious state at present with its building collapsed on top of it and
> intense rusting.
>
> That does not answer your question as to how rare such a thing is but now
> there are two!
>
> Michael Messenger
>
>
> At 11:59 21/07/03 +0100, you wrote:
>
> >Hi List,
> >
> >Some time ago there was a discussion of egg-ended boilers, but I cannot
> >remember what the result was. In the last week, however, a friend has
> >found one concealed by undergrowth on a colliery site. No maker's plates
> >are evident, but we think that it dates from the first half of the 19th
> >century. Can anyone tell us how rare the survival of such a boiler is?
> >
> >Thanks in advance for any help.
> >
> >Mike Gill
> >
> >
> >
>
> -----------------------------------------
> Michael Messenger
> [log in to unmask]
> http://www.twelveheads.com/
> -----------------------------------------
>
>
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