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  1. Browse the Collection - September 11: Bearing Witness to ...

    ... Services Division,... This Skilcraft electric wall clock, which hung in the Pentagon helipad fire station, was knocked to the...

    http://amhistory.si.edu/september11/collection/index.asp?seed=937377&offset=92

  2. Browse the Collection - September 11: Bearing Witness to ...

    ... 11, 2001... This Skilcraft electric wall clock, which hung in the Pentagon helipad fire station, was knocked to the... This heart ...

    http://amhistory.si.edu/september11/collection/index.asp?seed=114898&offset=96

  3. Search | Page 22 | Lemelson Center for the Study of Invention ...

    ... National Company (NATCO) Atomic Clocks Records, 1955-1968. Inventor Name Atomic Clock. Archives. Waldemar A. Ayres Collection, 1954-1974. ...

    http://invention.si.edu/search?page=21

  4. Study | Lemelson Center for the Study of Invention and ...

    ... Archives. James Arthur Clock and Watch Collection, 1743-1967. ... Harold Lyons Atomic Clocks Collection, 1935-1991. Inventor Name Lyons, Harold. ...

    http://invention.si.edu/study?page=0%2C28

Showing results 1 - 4 for clocks
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