The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
P. 27. Hampton Court Palace. Middlesex. Dial of Astronomical Clock. Nicholas Oursian in 1540. Science Museum. Department of Environment. Crown
Dalton table of elements. 1808. Science Museum. Science and Society Picture Library. 2007
Stanley Steam Car. The First Successful Steam Car of Witch Some Hundreds Were Built in the U. S. A. Science Museum. Adams Bros. and Shardlow. Crown
Greek War Galley. Model Based on Sculptures at Athens and the Piraeus. Science Museum. Mardon. Crown
P. S. Sirius. The First Vessel to Steam Continuously Across the Atlantic the Sirius. Science Museum. The Artisan Press. Crown
Greek War Galley. c. 500. B. C. Model based on sculptures at Athens and the Piraeus. Science Museum. Campfield Press.Crown
Flower Traction Engine. 1933. Model. The famous Supreme the last of the Showman heavy road traction engines. Science Museum. Artisan Press. Crown
Shillibeers Omnibus. 1829. First omnibus in London. George Shillibeer. 1829. Bus. Science Museum 417. Crown. Saffron Press