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    Item ID number:
    5417322
    Date:
    22 March 1920 (1 December 1910)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10970
    [Patent number 19015, sale numbers 12 and 13]. Title assigned by Library and Archives Canada. Patent granting JT Hewitt and George D
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