Antedating of "Sonar"

Shapiro, Fred fred.shapiro at YALE.EDU
Sun Jan 13 19:49:35 UTC 2013

sonar (OED 1946)

1944 _N.Y. Times_ 10 Dec. BR18 (ProQuest Historical Newspapers)  Elaborate electrical circuits, like those in radars, sonars and fire-control directors, cannot be described in words alone.

Fred Shapiro

The American Dialect Society -

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