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  1. 04-05-2012, 10:04 PM

    Thread: 1890 Wostenholm catalog ads

    by Martin103
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    1,732

    EBONITE and VULCANITE 94285The discovery that...

    EBONITE and VULCANITE 94285The discovery that rubber could be hardened by reacting it with chemicals under heat produced two useful compounds that could be readily moulded into electrical parts....
  2. 04-05-2012, 01:18 PM

    Thread: 1890 Wostenholm catalog ads

    by Martin103
    Replies
    7
    Views
    1,732

    1890 Wostenholm catalog ads

    9426094261
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