1901-11-30

2 results.

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

40-inch Refractor Telescope 1:423 (2008-003)
Series VI: Yerkes Observatory

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

40-inch Refractor Telescope 2:423 (2008-003)
Series VI: Yerkes Observatory

2 results.