Account books -- Great Britain -- 19th century

Abstract: Correspondence of Charles Babbage, writings by Babbage, and other related papers collected by Alfred White Van Sinderen. Correspondence, circa 1810-1864 and undated, consists of autograph letters, signed, most from Babbage to colleagues, friends, and others; also present are a few letters to Babbage and third party letters. Correspondents include Alexander Dallas Bache; Michael Faraday; William Henry Fitton; Benjamin Hawes; Ada King, Countess of Lovelace; and Peter Mark Roget. Writings by...