1. Egerton Ch 7816 Reference (shelfmark): Egerton Ch 7816 Title: Scope & Content: John Watlington, skinner, of London: Signet Warrant for inventor's patent to: 1721. Inventions: Signet Warrants for patents for inventions: 1717-1725. Collection Area: Western Manuscripts Languages: English Date Range: 1721 Extent: 1 item