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Features

Natural Resources of Virginia and West Virginia

By B. G. Underwood

The Use of Photography in Physical Research

Progress of Our Navy

The Tallest Wrought Iron Chimney

Fall of a Railway Bridge at Terre Haute

An Improved Automatic Boiler Feed

The Bohemian Twins

Departments

  • Recommended

    New Books and Publications- December 24, 1892

  • Departments

    Recently Patented Inventions- December 24, 1892

  • Notes and Queries- December 24, 1892

  • To Inventors- December 24, 1892

  • Business and Personal- December 24, 1892

  • Index of Inventions- December 24, 1892

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