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            "note": "Complete",
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    ],
    "occupation": "musical instrument manufacturer and music publisher",
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    ],
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        "processed": 1729028437088,
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            "value": "musical instrument manufacturer and music publisher (1847 - 1866)"
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    "type": {
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                "date": {
                    "earliest": 1847,
                    "value": "1847-1866",
                    "latest": 1866
                },
                "role": [
                    {
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                ],
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            },
            "summary_title": "Wheatstone, Charles",
            "admin": {
                "uid": "hmc-agent-3456",
                "id": "agent-3456",
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                "places": {
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                    "name": [
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    "nationality": [
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        "department": [
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    "summary_title": "William Wheatstone & Co",
    "name": [
        {
            "last": "William Wheatstone & Co",
            "type": "preferred name",
            "value": "William Wheatstone & Co",
            "primary": true
        },
        {
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            "value": "Wheatstone, William"
        },
        {
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            "value": "William Wheatstone"
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        {
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        },
        {
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        },
        {
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    ],
    "options": {
        "flag2": "N",
        "flag1": "N",
        "option1": "CollectionsOnline02",
        "option2": "'The London Street Guide entry changes in 1847' (from  'Wheatstone, Charles and William, Concertina Makers, 20 Conduit St'.) 'to 'William Wheatstone, Concertina Maker, 20 Conduit Street': Charles Wheatstone withdrew from active involvement with the firm, as his academic research career at King's College London became his prime activity. However, the London Street Guide entry changes back to 'Wheatstone & Co, Concertina Makers, 20 Conduit Street, Regent Street' during 1866 to 1868, perhaps indicating Charles Wheatstone's return to a more active involvement in the concertina firm after the death of William in 1862. Charles Wheatstone appears to have returned to concertina making and to research on 'new' free-reed instruments in later life, and on 18 August 1871, he and J M A Stroh jointly patented a 'New Musical Instrument', a sort of gliding-reed symphonium....'  Neil Wayne 'The Wheatstone English Concertina' in the Galpin Society Journal no. 44 (1991) pp.117-149",
        "sort_name": "WILLIAM WHEATSTONE & CO"
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}