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Features

Electric Snow Sweeper

Growth of the Pratt Institute

The Physical Laboratories of Europe

An Improved Lock Hinge

An Inexpensive Stovepipe Ventilator

Apparatus for Congealing Perfume Extracts

Photographic Cane

Lord Tennyson

Ptychoraphis Augusta

Laying of Flexible Water Pipes

A Winter in Greenland

A French Patent of the Year 1860 for a Barbed Wire Fence

By A. M. Tanner

Departments

  • Recommended

    New Books and Publications- November 12, 1892

  • Departments

    Recently Patented Inventions- November 12, 1892

  • Index of Inventions- November 12, 1892

  • Business and Personal- November 12, 1892

  • To Inventors- November 12, 1892

  • Notes and Queries- November 12, 1892

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November 12, 1892

Complex Causes. Alternative Solutions.

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