Invention and Engineering
The third HMS Halcyon was a Dryad-class torpedo gunboat of the Royal Navy. Once described as "perhaps the smallest and least formidable vessel that ever crept into the 'Navy List'", she was launched in 1894 and was put up for sale before World War I. She was recommissioned in 1913, was converted to a minesweeper and served under the orders of the Admiral Commanding Coast Guard and Reserves. She was sold for breaking in 1919.
LNER Class A3 4472 Flying Scotsman.
GSR Classes 372 and 393.
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