1. P.P.1931.pch, 4(6) Reference (shelfmark): P.P.1931.pch, 4(6) Title: Dr. Gladstone. Photographer: Lock and Whitfield Scope & Content: Genre: Portrait Photography Oval image; head-and-shoulders portrait, looking to the left, of the chemist John Hall Gladstone (1827-1902). Collection Area: Printed Collections Languages: Not applicable Date Range: c 1880 Extent: 1 item