1. Egerton Ch 8066 Reference (shelfmark): Egerton Ch 8066 Title: Scope & Content: Thomas Thwaites, weaver, of London: Signet Warrant for inventor's patent to: 1723. Inventions: Signet Warrants for patents for inventions: 1717-1725. Francis Clifton, d 1736 M D; FRS: Signet Warrant for inventor's patent to: 1723. Collection Area: Western Manuscripts Languages: English Date Range: 1723 Extent: 1 item