The Great Comet of 1861 as seen from a Newtonian Equatorial of 13 inches aperture. July 2 10,h 10.m G.M.T. July 3 12.h 40.m G.M.T.
Waren de la Rue del. J. Basire sc. [c.1861.] Scarce mezzotint. 230 x 290mm (9 x 11½"). Tear in top margin. Two illustrations of the coma of the Great Comet of 1861 (designated C/1861 J1 and 1861 II). It is believed to have an orbital period of 400 years.
[Ref: 56812] £380.00