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hand held refractometer instruments

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  • CornFed (Randy)
    This URL was just posted onthe BrixTalk group. It this 6 scanned pages of a Zeiss instrument instruction manual circa 1939.
    Message 1 of 1 , Aug 4, 2003
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      This URL was just posted onthe BrixTalk group. It this 6 scanned
      pages of a Zeiss instrument instruction manual circa 1939.
      http://www.crossroads.ws/zeissscans.htm I thought there might be
      some interest in this.
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