Alvord, Benjamin, 1813-1884.
**E5121.1I=No. 3 in *3340.1.8
The tangencies of circles and of spheres. [Washington. 1855.] 16 pp. 9 plates. [Smithsonian contribu-
tions to knowledge. Vol. 8.] 4°.
This card was printed at the Boston
700 — S.r.c. Circle. Sphere.
°
_ Public Library, Mav 15, 1926.
Problems and examples. Collections of.