Two photos on one mount of the U.S. Naval Observatory at Washington
- Made:
- 1915 in Washington
- supplier:
- Warner & Swasey Co.
Two photos on one mount of the U.S. Naval Observatory at Washington
Details
- Category:
- Astronomy
- Object Number:
- 1915-587
- Materials:
- paper, card and incomplete
- credit:
- Warner & Swasey Co
