One of two specimens of indigo, produced from the leaves of indigofera tinctoria. Natural indigo dye sample 1914
Framed (see note) watercolour drawing 11"x8 1/2" of the PS 'James Watt'1822, depicted plying between Leith and London. Paddle Steamer 'James Watt' 1822-1905
Print, chromolithograph, 24"x14" by T.G. Dutton of the Clipper pairing tea ships "Taeping" and "Ariel" passing the Lizard September 6th 1866 on their homeward voyage from Foo-Chow-Foo. Print, chromolithograph, by T.G. Dutton of the Clipper pairing tea ships "Taeping" and "Ariel" 1866
Coloured lithograph of the Brunswick Docks at Blackwall, by William Daniell, London, England, 1803 Coloured lithograph of Brunswick Dock at Blackwall 1803
Engineering general arrangement drawing of Holt's Tandem System boilers, unsigned, British, 1850-1853 Engineering general arrangement drawing of Holt's Tandem System boilers 1850-1853