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Features

The Imperial Brick Machine

Professor Tyndall on the Phenomena of Human Life

Arrested Development

Notes of Patent Office Decisions

The American Railway System.--Maintenance of Way

The Wooden Pavements of Chicago

The Wren Gas Works

New Standard Grinding Mill

The Meeting of the Academy of Sciences

Some Inventions for Husking Corn

Borden's Improved Gauge Cock

Streit's New Bevel Flange Loose Pulleys

Improved Burglar Alarm Window Fastening

Johnson's Improved Boiler Plate Shears

Archer Fishes

The Red and the Two-Lined Salamander

By C. Few Seiss

New Mechanical and Engineering Inventions

New Miscellaneous Inventions

Recent American and Foreign Patents

New Agricultural Inventions

New Household Inventions

New Woodworking and House and Carriage Building Inventions

Communications Received

Departments

  • Departments

    Notes and Queries

  • Business and Personals

  • Index of Inventions

  • Patents

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