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    Features

    A Remarkable Straight Edge

    The Brown Stone Quarries of Connecticut

    Our new Supplement Catalogue

    Gauges for Mechanical Work

    A Suggested Lathe Improvement

    Car Track Cleaner

    Machine for Working Butter

    Improved Saw Arbor

    Sail Wagon

    The Allen Dense Air Ice Machine

    American Industries.-- No. 91

    Portable Electric Testing Apparatus

    Natural History Notes

    The Tiger by Instantaneous Photography

    An Old Universal Tool

    Improved Claw Bar

    Water Cooler

    Miscellaneous Inventions - June 14, 1884

    Mechanical Inventions - June 14, 1884

    Engineering Inventions - June 14, 1884

    Departments

    • Letters

      Correspondence - June 14, 1884

    • Departments

      Business and Personal - June 14, 1884

    • Index of Inventions - June 14, 1884

    • Notes and Queries - June 14, 1884

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    June 14, 1884

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