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Philadelphia Quartz (PQ) Company records

Creation: 1733-1983 Creation: Majority of material found within 1831-1981
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Accession: 1865

Box 16

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Box 17

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Box 18

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Box 81

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Box 109

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Volume 1

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Volume 2

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Volume 3

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Volume 4

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Volume 5

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Volume 6

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Volume 7

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Volume 8

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Volume 9

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