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Advance of Polar Exploration

Art and Photography

Carr's Improved Combination Surface Gauge

A Watchman's Electric Time Recorder

How Horse Trotting Improves

An Improved Brick Machine

Lightning Full Mounted Screw Plates

The Austin, Texas Dam

Improved Reaping, Thrashing, and Bagging Machine

The Study of the Stars

By A. E. Beach

A Field Glass Camera

Communications Received


  • Letters

    Correspondence- September 24, 1892

  • Departments

    Recently Patented Inventions- September 24, 1892

  • Business and Personal- September 24, 1892

  • Index of Inventions- September 24, 1892

  • Notes and Queries- September 24, 1892

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September 24, 1892

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