INSTRUCTIONS FOR INSTALLATION, OPERATION AND MAINTENANCE OF WALTHAM WATCH COMPANY CIVIL DATE 24-HOUR AIRCRAFT CLOCK
BUREAU OF AERONAUTICS, U. S. NAVY
F.S.S.C. NO. 88-C-590
This clock incorporates in a 2 3/4 inch aircraft case an eight-day clock with center sweep-second hand, 24 hour dial, and a civil date indicator.
File Type:
pdf
File Size:
20 MB
Categories:
Military, Waltham