1. Egerton Ch 7789 Reference (shelfmark): Egerton Ch 7789 Title: Scope & Content: Sugar: Signet Warrant for inventor's patent to W. Harding for manufacture of: 1721. Inventions: Signet Warrants for patents for inventions: 1717-1725. William Harding, blacksmith, of London: Signet Warrant for inventor's patent to: 1721. Collection Area: Western Manuscripts Languages: English Date Range: 1721 Extent: 1 item