Scope and Contents In connection mainly with the British India Steam Navigation Company.This collection consists of the incoming correspondence and letter books of Duncan Mackinnon, a partner in MacKinnon, Mackenzie, and Co, of Calcutta, the firm from which the British India Steam Navigation Compnay developed. This correspondence covers the years 1873, when MacKinnon returned to India after his marriage, to 1881, and the letter books cover a somewhat longer period from 1871 to 1887. This was the...