Lyman James Briggs

Autor:

National Institute of Standards and Technology

Shortlink:

https://czwiki.cz/b/381a9

Zdroj:

Wikimedia Commons

Formát:

567 x 588 Pixel (156684 Bytes)

Popis:

Lyman James Briggs

Licence:

Public domain

Credit:

Commemorative sundial pamphlet [second and third pages] with photos of NBS Directors Lyman James Briggs [top], Samuel Wesley Stratton [lower left], and George Kimball Burgess [lower right] (File:Sundial 008.jpg)

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