1. IOR/V/27/740/28 Reference (shelfmark): IOR/V/27/740/28 Title: India. Public Works Department Rules...relating to the use of energy in factories or public places at a pressure exceeding 130 volts. Issued 23 December 1903. Calcutta, 1904 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1904 Extent: 1 volume