Note: - "Extracted from the Oxford, Cambridge and Dublin messenger of mathematics, no. 10, 1865."
- Half-title.
- ULL copies are from the library of Augustus De Morgan.
- ULL copy at [DeM] L0 (B.P.40) is no. 19 of ca. 38 items, 1807-1870, in vol. with binder's spine title: "English mathematical pamphlets".
- DOI: 10.1163/9789004460409_MOR2-b2928952x