1. IOL.1947.a.1529(16) Reference (shelfmark): IOL.1947.a.1529(16) Title: A microsection of Cornish Granite showing the occurrence of cassiterite in pegmatitic veins. Photographer: Unknown Scope & Content: Genre: Scientific Photography Photomicrograph, circular image, mounted facing p. 172. Collection Area: Visual Arts Languages: Not applicable Date Range: c 1909 Extent: 1 item