File:Etkin-with-kids.jpg: Revision history

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25 August 2014

  • curprev 23:1723:17, 25 August 2014‎ Kevinpsiu talk contribs‎ 159 bytes +159‎ Etkin explains complex instrumentation to young visitors at the Institute for Aerospace Studies open house, 1973; photo courtesy University of Toronto Archives
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