1. [Sir William Herschel exhibiting his great telescope to George III at Slough 1782] [art original]. Creator: Richards, John Inigo, 1731-1810, artist Published / Created: [approximately 1782] Call Number: Drawings R514 no. 1 Box D207 Image Count: 1 Resource Type: still image Found in: Lewis Walpole Library > [Sir William Herschel exhibiting his great telescope to George III at Slough 1782] [art original].