Christopher Cock

Microscope manufactured by Christopher Cock of London for Robert Hooke. Hooke is believed to have used this microscope for the observations that formed the basis of Micrographia. (M-030 00276) Courtesy – Billings Microscope Collection, National Museum of Health and Medicine, AFIP).

Christopher Cock was a London instrument maker of the 17th century, who supplied microscopes to Robert Hooke. These microscopes were compound lens instruments, which suffered greatly from spherical aberration.