1851 Great Exhibition: Official Catalogue: Class VIII.: Thomas Joseph Ditchburn
30. DITCHBURN, THOMAS JOSEPH, Blackwall — Designer and Builder.
Models of the following vessels, &e.:—
War steam-vessel of 1,200 tons and 400-horse power, named "Vladimere," built in 1848 for the Emperor of Russia.
Steam-packet, named "Taman," built for the Russian Government.
Screw steam-vessel, for coast defence, named "Sharpshooter," built for Her Majesty's service.
Steam-packet, named "Wonder" (one of five packets), built for the conveyance of passengers and merchandize between Southampton and the Channel Islands.
Iron cutter yacht "Mystery," built for Lord Alfred Paget, M.P.
The first passenger steam-packet on the river Thames, in the ferry between London and Gravesend, built 1813; of 40 tons burthen, and 9 horse-power.
"Earl Spencer," one of the last passenger sailing packets that plied between London and Gravesend, built 1796.
The "Fairy," screw steam-yacht, built for Her Majesty.
Iron schooner sailing-yacht, named "Volna," built for the Grand Duke Constantine of Russia.
A River Thames passenger steam-boat.
James Watt's experimental steam-boat, "Caledonia," fitted with two 14-horse engines, which made several trips from London to Margate in 1816, and ascended the Rhine to Coblentz in 1817.
A passenger steam-packet, "Favorite," 40-horse power, built 1817, expressly to run between London and Margate.
Wrought-iron caissoon, built to supersede the use of entrance gates to the new stone docks at Woolwich.