Allegheny Observatory

4 results.

Allegheny Observatory Buildings, Instruments, Equipment

Allegheny Observatory Buildings, Instruments, Equipment

31-inch Reflector Telescope 98:45 (2008-003)
Series VI: Yerkes Observatory

Schlesinger, Frank

Schlesinger, Frank

Formal 6:2656 (2008-003)
Series VI: Yerkes Observatory

Wagman, Nicholas E.

Wagman, Nicholas E.

Informal 46:40 (2008-003)
Series VI: Yerkes Observatory

Wagman, Nicholas E.

Wagman, Nicholas E.

Informal 46:41 (2008-003)
Series VI: Yerkes Observatory

4 results.