1. P.P.1931.pch, 6(19) Reference (shelfmark): P.P.1931.pch, 6(19) Title: Sir William G. Armstrong. Photographer: Lock and Whitfield Scope & Content: Genre: Portrait Photography Oval image; head-and-shoulders full-face portrait of the engineer, shipbuilder and inventor Sir William George Armstrong (1810-1900). Collection Area: Printed Collections Languages: Not applicable Date Range: c 1881 Extent: 1 item