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Features

U. S. Coast Line of Battle Ships

Samuel Plimsoll

The United States' Position in a Defensive War

Table of Contents of Scientific American Supplement

Metal as a Substitute for Wood in Railroad Ties

Rotary Press for Printing in Colors

Platform for Freight Cars

Theatrical Illusions

New Tubular Well

The Horse Race on the Stage

Apparatus for Scouring Water-Ways

Scientific American Building Edition- April 25, 1891

To Inventors- April 25, 1891

List of Books on Electricity- April 25, 1891

The New Book Experimental Science

By Geo. M. Hopkins

Useful Books!- April 25, 1891

Building Edition- April 25, 1891

The Scientific American

Departments

  • Recommended

    New Books and Publications- April 25, 1891

  • Departments

    Recently Patented Inventions- April 25, 1891

  • Business and Personal- April 25, 1891

  • Notes and Queries- April 25, 1891

  • Index of Inventions- April 25, 1891

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April 25, 1891

Think Outside the Gift Box