The United States Naval Observatory
Sign in to track this film in your collection or want list.
✎ Suggest a correctionExplains the two missions of the U S Naval Observatory - determination of accurate time and provision of navigational aids to the sailor and flier.
Related films
Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
- 16mm Filmography (legacy record) — catalog record
Original permalink · Record added 2023-02-27 05:35:41 · Suggest a correction