Delaporte, Lewis Jes¢P bs *8E5129.117 Essai philosophique sur les géométries non Euclidiennes. — Paris. Naud. 1903. 139, (3) pp. Diagrams. 8°.
Ouvra'ges a consulter, pp. 134-139.
[This work is kept on the Special Libraries Floor.] i
‘F WW /
Sept. 24, aS 1903
F1253 — Geometry. Non-Euclidian.