Photo-chemistry / by S.E. Sheppard.

  • Samuel Edward Sheppard
Date:
1914
Catalogue details

Licence: In copyright

Credit: Photo-chemistry / by S.E. Sheppard. Source: Wellcome Collection.

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    spectrum of the black body. Each curve relates to one tempe- Fio. 14. rature, that is, they are isotherms, the ordinates being propor- tional to the emissions, the abscissa giving wave-lengths in /x.
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