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    "abbrevTitle": "J SMPE",
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    "abstract": "A n instrument is described in which the theoretically correct conditions for precise photographic photometry are realized. It permits the measurement of filter factors, photographic reflection and transmission of coefficients of colored materials, and the photographic intensity of light sources with higher precision and greater repeatability than it has been possible to realize with the majority of other methods commonly used for these purposes. The method of procedure and the results obtained are illustrated by the projection of motion pictures showing the changes that occur in the photometric field during the process of making the determinations.",
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    "authors": [
      "L. A. Jones",
      "J. W. McFarlane"
    ],
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
      "source": "parsed",
      "updated": "2026-05-22T19:19:44.900Z",
      "version": "smpte-journal-article-nlm@v1"
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    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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        "updated": "2026-05-22T19:19:44.900Z",
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      "year": "1932",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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      "version": "smpte-journal-article-nlm@v1"
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    "docId": "10.5594-J05483",
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      "updated": "2026-05-22T19:19:44.900Z",
      "version": "smpte-journal-article-nlm@v1"
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    "docLabel": "Journal of the Society of Motion Picture Engineers ( Volume: 19, Issue: 4, October 1932)",
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    "docTitle": "The Precise Measurement of Filter Factors and Photographic Reflecting Powers",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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    "doi": "10.5594/J05483",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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    "href": "https://doi.org/10.5594/J05483",
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      "confidence": "high",
      "note": "Constructed from DOI 10.5594/J05483",
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      "updated": "2026-05-22T19:19:44.900Z",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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        "updated": "2026-05-22T19:19:44.900Z",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
      "version": "smpte-journal-article-nlm@v1"
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    "journalAcronym": "MIJR",
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      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08182015 BACKFILE JOURNAL FRESH/smptej_19_4/MIJR15Vol19No4.xml)",
      "source": "parsed",
      "updated": "2026-06-16T16:11:59.617Z",
      "version": "smpte-journal-issue-xml@v1"
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    "number": "4",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
      "source": "parsed",
      "updated": "2026-05-22T19:19:44.900Z",
      "version": "smpte-journal-article-nlm@v1"
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    "pages": "361–390",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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    "publicationDate": "1932-10-01",
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      "confidence": "high",
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      "source": "parsed",
      "updated": "2026-05-22T19:19:44.900Z",
      "version": "smpte-journal-article-nlm@v1"
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      "confidence": "high",
      "note": "Normalised to registry \"SMPTE\" convention from NLM publisher-name (The Society of Motion Picture and Television Engineers)",
      "source": "inferred",
      "updated": "2026-05-22T19:19:44.900Z",
      "version": "smpte-journal-article-nlm@v1"
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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        "updated": "2026-05-22T19:19:44.900Z",
        "version": "smpte-journal-article-nlm@v1"
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      "country": "USA",
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        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08182015 BACKFILE JOURNAL FRESH/smptej_19_4/MIJR15Vol19No4.xml)",
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        "updated": "2026-06-16T16:11:59.617Z",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J05483.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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        "confidence": "medium",
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    "volume": "19",
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      "confidence": "high",
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