Item (5)
December 12, 2009
Item(9)
April 10, 2011

Item (8)

I’m sure many will find great interest in this picture of the successfull concrete 8 man submarine ‘U3’ designed and built in Austria by Wilfried Ellmer, details of which will be found in the latest edition of the book ‘Ferro-cement Boats’ by Colin Brookes.

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