1. IOR/L/MIL/17/8/499 Reference (shelfmark): IOR/L/MIL/17/8/499 Title: Regulations and instructions relating to the hull, machinery, and steam boilers of submarine mining vessels. London: HMSO, 1898. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1898 Extent: 28p, 19cm