Genre: Scientific Photography Cyanotype negative photogram of two algae specimens, on unwatermarked paper, but with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of three algae specimens, on unwatermarked paper, but with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of two algae specimens, on unwatermarked paper, but with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on paper watermarked, 'J Whatman Turkey Mill 1849,' and with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on paper watermarked, 'J Whatman Turkey Mill 1851,' and with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of two algae specimens, on unwatermarked paper, but with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Porphyra lacinata var: umbilicus on Chondrus crispus. Photographer: Atkins, Anna
Scope & Content:
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on paper watermarked, 'J Whatman Turkey Mill 1851,' and with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of algae specimens, on unwatermarked paper, but with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on unwatermarked paper, but with British Museum yellow datestamp for 12 Nov 1853 on reverse.
Genre: Scientific Photography Cyanotype negative photogram of algae specimen, on paper watermarked, 'J Whatman Turkey Mill 1849,' and with British Museum yellow datestamp for 12 Nov 1853 on reverse.