Skip to main content

Features

The Marvin Safe

Is our Average Rainfall Diminishing?

Carbonic Acid as a Fire Extinguisher at Sea

Photographic Notes - February 13, 1886

Ironing Board

Improved Bellows

Improved Fire Escape

Clothes Drier

Brickwork

The Principle of the Loom

Improvements in Electro Magnets

Old Organs and Pianofortes

The Bullfrog (Rana Catesbiana, Shaw)

By C. Few Seiss

Cowen Steam Hose

Improved Treadle for Bicycles

Agricultural Inventions - February 13, 1886

Engineering Inventions - February 13, 1886

Miscellaneous Inventions - February 13, 1886

Departments

  • Letters

    Correspondence - February 13, 1886

  • Recommended

    New Books and Publications - February 13, 1886

  • Departments

    Notes and Queries - February 13, 1886

  • Business and Personal - February 13, 1886

  • Index of Inventions - February 13, 1886

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
February 13, 1886

Beyond XX and XY

Biology. Identity. Equality.

Learn More