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Glaisher's Printed Sheet of 'Snow Crystals' (1855)
9.9 x 7.5 cm
Museum of the History of Science
Gabb Collection, Inventory Number: 85686, Accession Number: 1949-10
Cyanotype (blueprint) positive. Copy of a sheet containing 16 printed forms of snowflake, headed 'Snow Crystals, observed by James Glaisher, Esq., F.R.S., From February 8th to March 10th, 1855.'.