Skip to main content

Features

Pump Valve

More Sorgho Sugar

Witting's Improved Cotton Press

Artesian Wells in California

The Deepest Well in The World

Drawing Cotton, Etc.

Improved Ironing Table

Nitrogen—Its Utility

Patent Rights and the Lobby at Washington

Daniel's Improved Water Wheel

Improved Elastic Railroads

Improvements in Fire-Arms

The American Patent System

Salt for Plum Trees

Forty-three Millions

Paine's Wonderful New Discovery

Lap-Welded Iron Tubes

The “Leviathan” Afloat

Abstract of the New Patent Bill

Heich's Egg-Beater

Mechanics

Improved Coin Balance

Artificial White Light

Special Legislation on Patents

Science in Sport

Departments

  • Letters

    Correspondents - February 27, 1858

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top

Scientific American Health & Medicine

Scientific American Health & Medicine