{
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    "@type": "sc:Manifest",
    "@id": "https://digital.archives.caltech.edu/collections/Photographs/ST-RK-7A-B/manifest.json",
    "label": "AIR-7 (Mk148) fuze",
    "thumbnail": {
        "@id": "https://img.archives.caltech.edu/iiif/2/collections/Photographs/STAGE_2_WORKING/ST-RK-7A-B/full/200,/0/default.jpg",
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            "profile": "http://iiif.io/api/image/2/level1.json"
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    },
    "metadata": [
        {
            "label": "Collection",
            "value": "Caltech Photographs"
        },
        {
            "label": "Series",
            "value": "Scientific Instrument Photographs"
        },
        {
            "label": "Dates",
            "value": [
                "1943"
            ]
        },
        {
            "label": "Extents",
            "value": [
                "1 photographs (negative)"
            ]
        },
        {
            "label": "Abstract",
            "value": [
                "For 3.5-inch and 5.0\u2033 aircraft rockets. 2.96\u2033 long. Steel and brass. Modification of AIR-2 (Mk137) fuze, designed to be used in combination with a base fuze. Could be used safe (unarmed) or armed at the pilot\u2019s discretion. About 5,000 fuzes were manufactured and loaded for the navy by Caltech and delivered late in 1943. Also 25,000 sets of parts were made for assembly with parts from AIR-2 (Mk137). \u201cA\u201d: cutaway version with cap (shipping guard); \u201cB\u201d: has cap and adapter to accommodate different thread arrangement for fuze seat liner of the 5.0\u2033 rocket."
            ]
        }
    ],
    "attribution": "<p>These digitized collections are accessible for purposes of education and research. Due to the nature of archival collections, archivists at the Caltech Archives and Special Collections are not always able to identify copyright and rights of privacy, publicity, or trademark. We are eager to <a href=\"mailto:archives@caltech.edu\">hear from any rights holders</a>, so that we may obtain accurate information. Upon request, we\u2019ll remove material from public view while we address a rights issue.</p>",
    "sequences": [
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            "canvases": [
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                    "@type": "sc:Canvas",
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                    "label": "ST-RK-7A-B",
                    "width": "419",
                    "height": "281",
                    "images": [
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                            "motivation": "sc:painting",
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