1. Af1/0849(35) Reference (shelfmark): Af1/0849(35) Title: Sir Isaac Newton, by Sir J. Thornhill. In the collection of the Earl of Portsmouth. Photographer: Caldesi and Montecchi Scope & Content: Genre: Fine Arts, Photography of Photographic copy of the painting. Collection Area: Printed Collections Languages: Not applicable Date Range: 1857 Extent: 1 item