Skip to main content Skip to search results

COLLECTIONS: 1 - 3 of 3

Refine my results

Harvard College Observatory observations, logs, instrument readings, and calculations

Collection Identifier: KG11365-6
Scope and Contents: This collection contains over 2500 logbooks and notebooks produced by the Harvard Computers and early Harvard astronomers, many of which feature datasets and processing observations relating to the HCO’s collection of astronomical glass plate photographs. The Harvard Computers were a team of women who worked for the Harvard College Observatory under the supervision of Director Edward Charles Pickering (1877-1919). Notable women include: Annie Jump Cannon, Williamina Fleming, Antonia Maury,...

Records of Harvard College Observatory Director William Cranch Bond

Collection Identifier: UAV 630.2
Overview: The Records of Harvard College Observatory Director William Cranch Bond document the founding, growth, and scientific research of the Harvard College Observatory primarily from 1840 to 1859. Also chronicled is the Observatory’s participation in advances made in astronomy, stellar photography, meteorology, continental exploration, and technological improvements in astronomical instruments in the early nineteenth century. William Cranch Bond (1789-1859), American astronomer and instrument...

Records of the Harvard College Observatory Time Service

Sub-Fonds Identifier: UAV 630.377
Overview: In 1872, under Director Joseph Winlock, the Harvard College Observatory established the world’s first public time service, which it provided as a commercial service until 1892. The Observatory sold its time service to railroads and businesses by sending hourly signals over Boston’s fire alarm system and distributing time across the region via Western Union telegraph lines; this work eventually resulted in the establishment of the country's first time zone. The Records of the Harvard College...