1. Mss Eur F88/105/59 Reference (shelfmark): Mss Eur F88/105/59 Title: Letter from John Dougan & Co from the Office of the Respirator, to Mountstuart Elphinstone, with enclosures regarding an account of the action and principle of the respirator invented by Mr Jefferys, testimonials, price, structure and so on Collection Area: India Office Records and Private Papers Languages: English Date Range: 1838 Extent: Folios 128-137