Woolhouse, Wesley Stoker Barker. The elements of the differential calculus. 2d edition. London. Weale. 1854. viii, 160 pp. Diagrams. [Weale’s Rudi-
mentary series.] 18cm., in 8s. 5929a.57 Two copies. Same. 3d edition. 1860. 5929a.98 Same. 6th edition. Lockwood & Co. 1874. viii, 164 pp. **E 5019.61
[The third copy is kept on the Special Libraries Floor.]
Bowrd- & This card was printed at the Boston Public Library, June 30, 1909.
™ H487 — Calculus. Differential. — S.r.