Thank you to everyone who provided information about sb Dannebrog.
I have now uploaded a website with details of our unique narrowboat
'Alnwick' at: http://www.grahamoliver.com
There is a small section in the website which refers to the Kelvin K3
engine and the donor Thames Barge. I am still looking for photographs
of the Dannebrog if anyone can help it would be appreciated.

--- In Thames_Barges@..., "nb.alnwick" <nb.alnwick@...>
wrote:
>
> I am the owner of a narrowboat built by R. W Davis of Saul, Glos.
The
> boat was built as a prototype to accommodate a Kelvin K3 marine
diesel
> engine - the engine fitted to our boat was originally fitted to the
> sailing barge 'Dannebrog' by Richard's Ironworks of Lowestoft in
1954;
> I have copies of the invoice, delivery note and associated
paperwork.