Two essays
Contributors: Graves, John Thomas, 1806-1870, former owner
Publisher: J.W. Parker, West Strand; J. & J.J. Deighton
Published: 1839
Place of publication: London; Cambridge
Language: eng
Number of pages: 18
Subjects: Abacus; History; Ciphers; Almanacs; Chiffres (Cryptographie); Almanachs; Histoire; Ciphers (codes)
Other titles: Inquiry into the nature of the numerical contractions, found in a passage on the abacus in some manuscripts of the Geometry of Anicius Manlius Torquatus Severinus Boetius; Notes on early calendars
Table of contents: title: I. An inquiry into the nature of the numerical contractions, found in a passage on the abacus, in some manuscripts of the geometry of Anicius Manlius Torquatus Severinus Boetius; title: II. Notes on early calendars.