Skip to main content

Features

Curious Chemical Explosion

Humiston's Candle Machine

Permanent Way of Railroads

Caution to Files, Mosquitoes Roaches &C

The Menal Tubular Bridge

Rezoil

List of Patent Claims

Notes on Science and Foreign Inventions

Expansion of Cast Iron in Solidifying

Compasses on Iron Ships

Glue in Bones

Gun Igniters

Micro-Geology

Toy Balloons

Improved Steam Gage

Wrought Iron Cars

Shaw's Pendulous Churn

The New Cent

Water of Artesian Wells

Artificial Sapphires and Rubies

Electro-Magnetism as a Motive Power

The Frigate Niagara--New York Regatta--George Steers

Inventors and Inventions

Reckless Destruction of Property

Sphygmoscope

Western Grain

The Mental Faculties and Phrenology

Gum and Starch

Cremona Violins

Correspondents

The Comet

Galvanic Gas Igniter

Mechanics

Departments

    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    June 13, 1857

    Beyond XX and XY

    Biology. Identity. Equality.