Cyclide

Description

* The plaster model shows a one-holed surface with the hole off-center. The outer rim of the surface is indented near the hole. Various circular arcs indicate lines of curvature. A paper tag on the model reads: Cyclide mit 1 Syst. sphär. Krümmgslin. (/) Verl. v. L. Brill. 10. Ser. 2 Nchtr. Nr. XXVIII. * *(метка Р74)*