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Hooke's air pump

(Source: Boyle R. New Experiments Physico-Mechanicall, Touching the Spring of the Air, and its Effects [Made, for the Most Part, in a New Pneumatical Engine] Written by Way of Letter to the Right Honorable Charles Lord Vicount of Dungarvan, Eldest Son to the Earl of Corke. Oxford: H. Hall, 1660. Image edited by Dr. Douglas J Lanska.)