1. Egerton Ch 8108 Reference (shelfmark): Egerton Ch 8108 Title: Scope & Content: Inventions: Signet Warrants for patents for inventions: 1717-1725. Thomas Greening, nurseryman: Signet Warrant for inventor's patent to: 1724. Collection Area: Western Manuscripts Languages: English Date Range: 1724 Extent: 1 item