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Journal of the Society of Motion Picture Engineers ( Volume: 17, Issue: 2, August 1931)
[ACTIVE]

Sound Pictures in the Solution of Solar Eclipse Problems

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
17, No. 2, pp. 235–240
Abstract
The application of sound picture technic toward the solution of solar eclipse problems is described. Motion pictures of the shadow spot cast upon the earth by the moon during an eclipse are taken simultaneously with photographic records of time signals broadcast by radio. By coördinating the information contained in these photographic records of the shadow spot, the time signals, and identification marks on the earth, sufficient information is available for solving various astronomical problems such as determining with greater accuracy the distance of the moon from the earth, the relative positions of earth, moon, and sun, and to permit more accurate computation and prediction of eclipses. A method is also described of making a qualitative study of the variation of light intensity at points in the path of the shadow.
Publication Date
1931-08-01
DOI
10.5594/J08016
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J08016
Author(s)
F. P. BrackettPomona College, Claremont, Calif.
Copyright
© 1931 Society of Motion Picture and Television Engineers, Inc.
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F. P. Brackett; Sound Pictures in the Solution of Solar Eclipse Problems, Journal of the Society of Motion Picture Engineers ( Volume: 17, Issue: 2, August 1931); SMPTE, 1931. Available at https://doi.org/10.5594/J08016
Snippet:
F. P. Brackett; Sound Pictures in the Solution of Solar Eclipse Problems, Journal of the Society of Motion Picture Engineers ( Volume: 17, Issue: 2, August 1931); SMPTE, 1931. Available at https://doi.org/10.5594/J08016

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Preview:
F. P. Brackett; Sound Pictures in the Solution of Solar Eclipse Problems, Journal of the Society of Motion Picture Engineers ( Volume: 17, Issue: 2, August 1931); SMPTE, 1931. Available at https://doi.org/10.5594/J08016
Snippet:
<span class="citation">F. P. Brackett; <cite>Sound Pictures in the Solution of Solar Eclipse Problems</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 17, Issue: 2, August 1931); SMPTE, 1931. Available at <a href="https://doi.org/10.5594/J08016" target="_blank" rel="noopener">https://doi.org/10.5594/J08016</a></span>

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Preview:
F. P. Brackett; Sound Pictures in the Solution of Solar Eclipse Problems, Journal of the Society of Motion Picture Engineers ( Volume: 17, Issue: 2, August 1931); SMPTE, 1931
doi: 10.5594/J08016
url: https://doi.org/10.5594/J08016
Snippet:
<li>
F. P. Brackett; <cite id="bib-10-5594-j08016">Sound Pictures in the Solution of Solar Eclipse Problems</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 17, Issue: 2, August 1931); SMPTE, 1931
<span class="doi">10.5594/J08016</span>
</li>

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