1. C.192.c.1, 3(186) Reference (shelfmark): C.192.c.1, 3(186) Title: Ptilota plumosa. Photographer: Atkins, Anna Scope & Content: Genre: Scientific Photography Cyanotype negative photogram of four algae specimens, on paper watermarked, 'J Whatman Turkey Mill 1846.' Collection Area: Printed Collections Languages: Not applicable Date Range: c 1846 Extent: 1 item