[Jewelry making - Article 01008] - [Orchid] Rolling printing plates

[Len and Judy Bjorkman]

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    I have several old-style printing plates, rescued for me (back in
    the mid-60s, but the plates seem older than that) by a friend when
    the university press was throwing them out. One of my questions is:
    can I use them in my rolling mill more than once? 

    They are mounted on wooden blocks which, alone, are 20mm thick. This
    is too thick to go through my rolling mill, as is -- perhaps I could
    pry the plates off the blocks? One plate has no wooden backing -- it
    is a maximum of 4 mm thick. Its back side is shiny and
    silvery-looking --perhaps it is made of zinc? The pattern layer on
    top of it looks a little like brass. This piece is 10.5 X 2.25 inches
    in size and has 8 tiny holes through it, apparently from nails. 

    Does anyone have experience with old printing blocks to advise me on
    how best to use these, preferably many times, in my rolling mill? The
    patterns are mostly transcriptions of cuneiform tablets, plus one
    obscure script, and a couple of old ads (one of the ads is
    Sealright's offer of a free trip to Disneyland via TWA, for some
    lucky users of home-delivered milk! This should be datable...) 

Thanks for any suggestions!
Judy Bjorkman
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