Sections

Home
Time
Earth Orientation
Astronomy
Meteorology
Oceanography
Ice

You are here: Home › USNO › James M. Gilliss Library › Historical Photos, Artwork, Objects › Historical Images Search › Images › Glass Plates › g039.jpg

USNO

Navigation

Ask the Librarian
Search - URANIA
SAO/NASA ADS
Library Collections
Historical Photos, Artwork, Objects
- Historical Images Search
  - Images
    - Glass Plates
      - g039.jpg
- Historical Collection
Library History
Additional Resources

g039.jpg

039: Focus test plate

Click to view full-size image… — Size: 47.5 kB

USNO Master Clock Time: Javascript must be Enabled

The Sky This Week: The Sky This Week, 2013 April 2 - 9; More…

This is an official U.S. Navy web site.
Security & Privacy Policy
Veterans Crisis Line