A.D.1851. Feby. 10, No 13,504.
THOMAS DE COLMAR'S Specification.
Fig. 1 (39 kB)
Fig. 2 (39 kB)
Fig. 3 (21 kB)
Fig. 6 (15 kB) Fig. 5 (14 kB) Fig. 4 (46 kB)
Fig. 12 (7 kB) Fig. 9 (4 kB) Fig. 10 (1 kB) Fig. 7 (19 kB)
Fig. 11 (5 kB) Fig. 8 (22 kB)
The enrolled drawing is partly colored.
London:Printed by George Edward Eyre and William Spottiswoode,
Printers to the Queen's most Excellent Majesty.  1857.
(text)     (Drawing II) 1