1928-04-26

3 results.

Van Biesbroeck, George

Van Biesbroeck, George

Informal 7:1965 (2008-003)
Series VI: Yerkes Observatory

Van Biesbroeck, George

Van Biesbroeck, George

Informal 7:1966 (2008-003)
Series VI: Yerkes Observatory

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

40-inch Refractor Telescope 1:1964 (2008-003)
Series VI: Yerkes Observatory

3 results.