Polysiphonia urceolata. var. patens. 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.
Genre: Scientific Photography Cyanotype negative photogram of two algae specimens, on paper watermarked, 'C Wilmot 1840,' and with British Museum yellow datestamp of 11 Oct 1851 on reverse.
Polysiphonia elongella. 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.
Genre: Scientific Photography Cyanotype negative photogram of several algae specimens, on paper watermarked, 'C Wilmot 1840,' and with British Museum yellow datestamp of 11 Oct 1851 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of two algae specimens, on paper watermarked, 'J Whatman Turkey Mill 1851,' and with British Museum yellow datestamp of 11 Oct 1851 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on unwatermarked paper, but with British Museum yellow datestamp of 11 Oct 1851 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of five algae specimens, on paper watermarked, 'C Wilmot 1840,' and with British Museum yellow datestamp of 11 Oct 1851 on reverse.