The discovery of Neptune
An Explanation of the Observed Irregularities in the Motion of Uranus on the Hypothesis of Disturbances Caused by a More Distant Planet; with a determination of the mass, orbit, and position of the disturbing body.
London: W. Clowes & Sons, 1846. 8vo (227 x 147 mm). [3] 4-31 [1] pp. Modern morocco, spine gilt. Internally only very little browned or spotted. A fine copy. ----
Dibner 16; Sparrow 1; Norman 7; Evans 24; DSB I, pp. 53-4; Ley, Watchers, pp. 407-14. The RARE FIRST SEPARATE..... More