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Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Oval crystal-cased verge watch with outer case and ribbon with miniature and locket by A Senebier
Nicholas Culpeper's statement about John Dee's crystal, England, 1651-1658
Ethnography and Folk Medicine