The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
National Maritime Museum. The Airy Transit Room with the roof opened ready for observing. Topical Press. Pitkin Pictorial
The Dramatic View of the Transit Circle. The Instrument Sir George Airy. National Maritime Museum. Larkfield Printing
The Dramatic View of the Transit Circle.the Instrument Sir George Airy. the then Astronomer Royal. National Maritime Museum. Larkfield Printing
The dramatic view of the Transit circle. The instrument Sir George Airy the then Astronomer Royal. National Maritime Museum. Larkfield Printing
H. M. S. Royal Sovereign. Imperial War Museum. National Maritime Museum Card No. 207
H. M. S. Dreadnought. Imperial War Museum. National Maritime Museum Card. No. 210
H. M. S. Duke of York. The King George V. s. Were Last Class of Battleship To Be Built For the Royal Navy. Imperial War Museum. National Maritime Museum Card No. 217