Titles written by Edgar D. Tillyer:
Number of documents found: 1
- Edgar D. Tillyer
Title: The clock vault of the U.S. Naval Observatory
Other Keywords: precision clock installation US Naval Observatory thermostat insulation Riefler #60 #70 #151
Parent Document ID: 6197 - Parent Document Title: Popular Astronomy
chapter or other location info e.g. year vol no: 18
Page or pages: 100-106
BHM No: 8335
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