Skip to main content


Stover's Molding Machine


Important Hints on Ventilation

By E. M. Richards

Screw Fastenings for Ships

Art of Etching

Contraction of Horses' Feet--Cause and Remedy

Improved Machine for Jointing Staves

Singular Methods of Hearing

Bone Manure

Lyon's Lock and Detector

Franklinite--Metallic Ore

Interesting Postal Decision

The Great Meteor of Nov. 15, 1859

Libraries of the United States

The Transmission of Knowledge

A Column of Interesting Varieties

A Delighted Inventor

Improvement in Bagasse Furnaces

India-Rubber Liquid--Waterproof Leather Removing Mildew, & C

Forfeiture of Patents

Beneficial Public Works

John Bull in a Rage

New York Markets

Scientific News

Weekly Summary of Inventions

Patent Claims

Hints to Our Readers

A Good Portable Engine

Hints to Our Subscribers

Novel Canal Boat Propeller


  • Departments

    Notes and Queries

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
December 17, 1859

Beyond XX and XY

Beyond XX and XY

Biology. Identity. Equality.