Unspecified HUM 9 Box 3
Container
Contains 1 Result:
Observations of Sun Spots, 1739-1743 Digital
FOUND IN:
Harvard University Archives
/
Collection:
Papers of John and Hannah Winthrop
Series — unspecified: HUM 9 Box 3Identifier: HUM 9
Scope and Contents:
Eleven-page notebook containing John Winthrop's handwritten observations and calculations. Titled by Winthrop "Observations of 'Spots' on ye Sun with ye Naked Eye," this is the first known record of his scientific observations and records what he saw while examining the sun "with an 8 foot telescope from 6 a.m. til sun set" on the Boston Commons and concluding with "a considerable aurora borealis" that night (April 20, 1739). It has been speculated that his reference to the aurora borealis...