1. IOR/F/4/1547/61611 Reference (shelfmark): IOR/F/4/1547/61611 Title: Scope & Content: Madras Government acquaint the Court of Directors with the successful results of Dr John Macleod's experiments in preparing water cement by the use of magnesia. Collection Area: India Office Records and Private Papers Languages: English Date Range: [Feb 1826]-Nov 1835 Extent: 1 file