Document Details Time service of the U.S. Naval Observatory:
Number of documents found: 1
- Title: Time service of the U.S. Naval Observatory
- Author: J.F. Hellwig
- Publisher:
Other Keywords: electric clocks time service vault Shortt clocks
Notes: installation in DC
Pages: 538 - 540
BHM No: 8468
Parent Document ID: 6223 - Parent Document Title: Transactions of the AIEE - Publisher:
Use browser Back to return to previous page