Date (happened)
  • c. December 1966 (probable)
    passage 548696/548697 (lecture nid 1912): 'It was in December that they printed a picture of this demolished railroad trestle'; 'It appeared in December of last year as a single picture of the fact'
  • c. January 1967 (probable)
    passage 548696/548697 (lecture nid 1912): 'the 19th day of December...I think it was the 19th or the 19th of January'; 're-appeared with its duplicate preceding it by nineteen years in the January issue of this last month'
Told / reported
21 February 1967 (probable)
delivery claims on lecture nid 1912: [d0] 1955 doubtful (refuted by internal Dicke/Caltech/National-Observer references); [d1] 1971-03-03 certain/preferred (legacy catalog #649); [d2] 1967-02-21 probable (chrome dateline, conflicts with both)