1. J/8756.f.24(3a) Reference (shelfmark): J/8756.f.24(3a) Title: Cumulus torn by currents of air charged with electricity. Photographer: Guyton, Joseph Scope & Content: Genre: Scientific Photography Photographic copy of sketch, dated 1867. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1868 Extent: 1 item