Clock by Thomas Tompion, London, ca. 1675.
As the most accurate clock at Harvard in 1761, this one-hundred-year old, "excellent pendulum clock" was taken to Newfoundland by John Winthrop to obser...
All brass octant. Engraved on crosspiece "B. Martin, London" and on index arm "The Gift of Ezekiel Goldthwait Esq. to the Apparatus of Harvard College in Cambridge N.E. May 1764." Given to replace ea...
Equal altitude (transit) instrument by John Bird, London, ca. 1767.
Taken to Newfoundland in 1769 by John Winthrop to observe the transit of Venus.