A few years ago I posted a thread about some mystery objects on the lower cargo deck of the SS Thistlegorm. If you don't know this wreck, its a scuba diver/military/aviation/locomotive enthusiast's dream dive with the cargo holds full of BSA M20, Norton 16H, Albions, Crossleys, Bristol Blenheim spares...Stanier 8F locos.
Fellow diver Alex Mustard started researching the cargo several years ago and following the 3D survey I did we added to the work and published an iBook.
To cut a long story short...when I posted the thread about mystery objects it was not possible to view the ortho