1-157-929 - Oxford Science Archive/Heritage Images

Frozen materials viewed by English microscopist Robert Hooke, 1665. Observations of several kinds of frozen figures showing frozen urine (1), snowflakes (2) and ice flakes (4,5,6). From Micrographia by Robert Hooke (1635-1703). Micrographia was published in 1665 and contains prints of some of the specimens Hooke viewed under the compound microscope that he designed.