MEMOIRS OF THE ROYAL ASTRONOMICAL SOCIETY PART I VOL. XXXIX 1870-1871

1871. [PERIODICALS - ASTRONOMY]. MEMOIRS OF THE ROYAL ASTRONOMICAL SOCIETY PART I VOL. XXXIX 1870-1871: ON THE GRAPHICAL CONSTRUCTION OF A SOLAR ECLIPSE, BY PROF. [ARTHUR] CAYLEY. London: Published by the Society, 1871. 17 pp. + 1 two-color plate (a diagram). 4to., text side-sewn within printed paper wrappers. Wrappers are age-toned and split along spine, with a Small pencil initial to top of front wrapper. Text and plate clean and fresh. Very good.