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Features

The Manufacture of Sheet Lead and Lead Pipe

An Inexact Science

The Great Problem

The Physical Characteristics of American Children

Large Locomotive Crane

The Great Eruption at Hawail

Communications - July 21, 1877

Practical Mechanism - July 21, 1877

By Joshua Rose

A Gaspipe Bedstead

Steam Glue-Heating Apparatus

New Ice Tongs

Improved Horse Collar Stuffing Machine

Torpedo Warfare

Are the Aniline Dyes Injurious to Health?

Decisions of the Courts

New Agricultural Inventions - July 21, 1877

Recent American and Foreign Patents - July 21, 1877

New Woodworking and House and Carriage Building Inventions - July 21, 1877

New Textile Inventions

New Miscellaneous Inventions - July 21, 1877

New Household Inventions - July 21, 1877

New Mechanical and Engineering Inventions - July 21, 1877

Communications Received - July 21, 1877

Departments

  • Departments

    Business and Personal - July 21, 1877

  • Notes and Queries - July 21, 1877

  • Index of Inventions - July 21, 1877

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July 21, 1877

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