Cold cathode frequency divider, 50 c.p.s. to one c

Made:
1954 in London

Cold cathode frequency divider, 50 c.p.s. to one c.p.s. (Constructed from components purchased by Sc.M. from the P.O. Eng. Dept. for #12.10.1 and from the Natl. College of Horology for #4.12.6)

Details

Category:
Time Measurement
Object Number:
1954-457
type:
cold cathode tube frequency divider
credit:
National College of Horology

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