Box 46

This series contains photographic prints and negatives. Images include buildings, instruments, people, research sites, social events and observational data. People are identified were known; many images are unidentified. Selected images are available online as part of the HAO digital collection.

This series contains photographic prints and negatives. Images include buildings, instruments, people, research sites, social events and observational data. People are identified were known; many images are unidentified. Selected images are available online as part of the HAO digital collection.

This series contains photographic prints and negatives. Images include buildings, instruments, people, research sites, social events and observational data. People are identified were known; many images are unidentified. Selected images are available online as part of the HAO digital collection.

This series contains photographic prints and negatives. Images include buildings, instruments, people, research sites, social events and observational data. People are identified were known; many images are unidentified. Selected images are available online as part of the HAO digital collection.

This file contains photographs of a 1936 solar eclipse expedition to the USSR, including images of the camp and the "quadruped" spectrograph.

This file contains photographs of the Sommers-Bausch Observatory and the adjacent HAO building from 1952 to 1973. The images are primarily aerial photographs of the buildings and photographs of instruments, including a K-Coronameter from 1956, and the installation of a 24" Boller and Chivens Cassegrain-Coude telescope in 1973.

This series contains photographic prints and negatives. Images include buildings, instruments, people, research sites, social events and observational data. People are identified were known; many images are unidentified. Selected images are available online as part of the HAO digital collection.