A 12 bolt Siebe Gorman diving helmet, by Siebe Gorman & Co. London, circa 1918. Three light, side lights with protective grills. Marked: SIEBE GORMAN & Co Ltd LONDON Serial numbers: Bonnet 6899 (Corselet: 9970). Siebe Gorman & Co, Submarine and General Engineers, Neptune Works, Davis Road, Chessington, and 187 Westminster Bridge Road, London. Founded by Augustus Siebe in 1819/20, as Siebe & Co. Exhibited at the 1851 Great Exhibition. In 1870 William Augustus Gorman became a partner, and the company was renamed as Siebe and Gorman. View more diving helmets in stock
