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Features

Progress of American Daily Newspapers

The Coming Naval Review at New York

Rare Chance for Architects

Notes from the Worlds Columbian Exposition Chicaco 1893

Cristobal Colon De La Cerda, Duke of Veragua, Marquis of Jamaica

The Krupp Exhibits for the Columbian Exposition

An Improved Leveling Instrument

An Improved Furnace

The New Mail Safety Bicycle

The Greenerd Arbor Press

New Bridges and Elevated Railroad Connections in New York

The Bates' Numbering Machine

A Sausage Casings Holder

The Concrete Foundations for the Electric Power House of the Brooklyn Railway Company

The Photo-Opera Glass

The Broadway Cable Railway, New York

To Inventors - April 22, 1893

Departments

  • Letters

    Correspondence - April 22, 1893

  • Recommended

    New Books and Publications - April 22, 1893

  • Departments

    Recently Patented Inventions - April 22, 1893

  • Business and Personal - April 22, 1893

  • Notes and Queries - April 22, 1893

  • Index of Inventions - April 22, 1893

  • Patents! - April 22, 1893

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April 22, 1893