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Transactions of the Society of Motion Picture Engineers ( Volume: 9, Issue: 21, May 1925)
[ACTIVE]

A New Reflectometer

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
The theory of illumination between two parallel planes was used by Nutting in the development of his reflectometer, but the deviations of the instrument from the simple theory were so large as to destroy its usefulness. It is an instrument of tho greatest simplicity and durability and is ideal where portability is desired. The present reflectometer, which is wedge shaped, is the result of a series of investigations looking to an instrument of good accuracy and at the same time maintaining the extreme simplicity and durability of the older instrument. The theory of illumination by a limited plane is touched on, and some of the details of specular reflection are examined. One form of a wedge reflectometer has been specially designed for direct vision, and has good accuracy for the particular angle of view fixed by the construction of the instrument. The second form of the instrument reads in a manner that is independent of the process of reflection and therefore gives accurate results for all types of diffuse or specular surfaces.
Publication Date
1925-05-01
DOI
10.5594/J10337
Link
https://doi.org/10.5594/J10337
Author(s)
Frank Benford
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J10337.json

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Frank Benford; A New Reflectometer, Transactions of the Society of Motion Picture Engineers ( Volume: 9, Issue: 21, May 1925); SMPTE, 1925. Available at https://doi.org/10.5594/J10337
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Frank Benford; A New Reflectometer, Transactions of the Society of Motion Picture Engineers ( Volume: 9, Issue: 21, May 1925); SMPTE, 1925. Available at https://doi.org/10.5594/J10337

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Frank Benford; A New Reflectometer, Transactions of the Society of Motion Picture Engineers ( Volume: 9, Issue: 21, May 1925); SMPTE, 1925. Available at https://doi.org/10.5594/J10337
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<span class="citation">Frank Benford; <cite>A New Reflectometer</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 9, Issue: 21, May 1925); SMPTE, 1925. Available at <a href="https://doi.org/10.5594/J10337" target="_blank" rel="noopener">https://doi.org/10.5594/J10337</a></span>

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Preview:
Frank Benford; A New Reflectometer, Transactions of the Society of Motion Picture Engineers ( Volume: 9, Issue: 21, May 1925); SMPTE, 1925
doi: 10.5594/J10337
url: https://doi.org/10.5594/J10337
Snippet:
<li>
Frank Benford; <cite id="bib-10-5594-j10337">A New Reflectometer</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 9, Issue: 21, May 1925); SMPTE, 1925
<span class="doi">10.5594/J10337</span>
</li>