1. C.192.c.1, 5(277) Reference (shelfmark): C.192.c.1, 5(277) Title: Callithamnion Turneri. Photographer: Atkins, Anna Scope & Content: Genre: Scientific Photography Cyanotype negative photogram of nine algae specimens, on paper watermarked, 'J Whatman Turkey Mill 1848,' and with British Museum yellow datestamp of 11 Oct 1851 on reverse. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1851 Extent: 1 item