Rhytiphlea complenata, (Polysiphonia cristat). Photographer: Atkins, Anna
Scope & Content:
Genre: Scientific Photography Cyanotype negative photogram of several algae specimens, on unwatermarked paper, but with British Museum yellow datestamp of 11 Oct 1851 on reverse.
Polysiphonia thuyoides. Photographer: Atkins, Anna
Scope & Content:
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on unwatermarked paper, but with British Museum yellow date stamp of 11 Oct 1851 on reverse.
Polysiphonia fruticulosa. Photographer: Atkins, Anna
Scope & Content:
Genre: Scientific Photography Cyanotype negative photogram of two algae specimens, on unwatermarked paper, but with British Museum yellow datestamp of 11 Oct 1851 on reverse.
Polysiphonia spinulosa. Photographer: Atkins, Anna
Scope & Content:
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on unwatermarked paper, but with British Museum yellow datestamp of 11 Oct 1851 on reverse.