1930-06-11

3 results.

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

12-inch Refractor Telescope 23:2047 (2008-003)
Series VI: Yerkes Observatory

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

12-inch Refractor Telescope 23:2050 (2008-003)
Series VI: Yerkes Observatory

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds

12-inch Refractor Telescope 24:2049 (2008-003)
Series VI: Yerkes Observatory

3 results.