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Features

Cigar Making

The Institution of Civil Engineers

A New Application of Tube Hydrometers

By Wilson H Pile

Remarkable Structures of the Ancient Americans

The Agricultural Department at Washington

Transmission of Motion

A Lecture Delivered by Coleman Sellers, at the Stevens Institute of Technology, Hoboken, N. J., February 19th, 1872

Absurd Cosmical Theories

By W. T. Robinson

Fire

Sewing Machine Treadle and Casters

Hay and Straw Stacking Apparatus

Remarkable Stupidity

Oxyhydric Illumination

The Vienna Exposition

The Nose Straightener

The Horse Disease

The Growth or Evolution of Structure in Seedlings

Progress of American Iron Industry

Professor James Hadley

Patent Decision

Our Concrete Docks

Air Gas Light in England

Scientific and Practical Information

Answers to Correspondents

Communications Received

Recent American and Foreign Patents

Value of Patents, and How to Obtain Them

Practical Hints to Inventors

Patent Cold Rolled Shafting

Departments

  • Departments

    Correspondence

  • Notes and Queries

  • New Books and Publications

  • Business and Personal

  • Index of Inventions

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November 30, 1872