n.d. · n.p.
by Roche, Edouard
n.p., n.d.. 4to, trimmed and measuring 21 x 21.5mm., approx. 100 words, stains from previous mount on verso, else a very good example; in French. Offering apologies on behalf of a Dr. Walker for not having sent Vol. 6 of an unnamed work, and saying that he has been preoccupied with scientific questions. Roche (1820-1883) was a French mathematician, specialist in celestial mechanics, geophysics, and meteorology; corresponding member of the Academie des Sciences, who proposed the first "earth model" with a solid nucleus. (Inventory #: 3747)