1. IOR/F/4/1730/69926 Reference (shelfmark): IOR/F/4/1730/69926 Title: Scope & Content: Papers regarding the administration of the Bengal semaphore signalling establishment - correspondence between the Bengali Marine Brand and the Calcutta Chamber of Commerce etc Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1831-Dec 1835 Extent: 1 file