Along those lines ...
The earliest use of the term UTC as such (and TUC in the French) that
I have found is in the Jan/Feb 1964 Bulletin Horaire from the BIH.
This was the first issue done by Guinot after Anna Stoyko gave it up.
Does anyone know of a use of the term UTC/TUC which predates that?
Steve,
I don't have one earlier than your 1964.
Essen, 1958, no mention of UTC (way too early):
http://www.leapsecond.com/history/1958-PhysRev-v1-n3-Markowitz-Hall-Essen-Parry.pdf
Essen, 1968, mentions UTC, and proposes what would become leap seconds:
http://www.leapsecond.com/history/1968-Metrologia-v4-n4-Essen.pdf
/tvb
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