1673 Photo: Pendulum | oscillating clock mechanism | watches | time keeping | Po For Sale

Photograph size: 7x12 inches | Ready to frame in any standard size frame | Frame Not Included | Archival Quality Reproduction | Photograph Description: Pendulum or oscillating clock mechanisms, showing escapement mechanism, curved metal strips to check swing of pendulum, and clock with pendulum and weights Date Created Published: published 1673 Notes: Illus. in: Horologium oscillatorium Christiaan Huygens. Parisiis : Apud F. Muguet, 1673. Published in: The tradition of science Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 272. Subjects: Clocks & watches--1670-1680. Book illustrations--1670-1680. Engravings--1670-1680. Mechanical drawings--1670-1680.
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