1. C.192.c.1, 7(361) Reference (shelfmark): C.192.c.1, 7(361) Title: Rivularia nitida. Photographer: Atkins, Anna Scope & Content: Genre: Scientific Photography Cyanotype negative photogram of several small algae specimens, on paper watermarked, 'J Whatman Turkey Mill 1848,' and with British Museum yellow datestamp for 12 Nov 1853 on reverse. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1853 Extent: 1 item