Scientific American Magazine

Sir John Franklin's Remains

Improved Steam Boiler

Russia Leather

Fawkes' Steam Plow

A Humboldt Institute

Properties Characterizing Steel

Governors for Marine Engines

Dyeing Hats and Feathers

Gold Amalgamators

Hydraulic and Steam Cranes

The Manufacture of Axes

Hot-Air Ovens for Iron Furnaces

Agricultural Mechanics

Symmes' Gas Valve

Improvement in Coffins

Ice Manufacture

Illuminating Gas

More About Coal-Oils and Coal

Notes on Foreign Inventions

The Four Organic Elements

Historical Days in October

Ira Kinman's Measuring-Faucet

Curing Felons

Cheese-Cutter

Mode of Case-Hardening Wrought and Cast Iron

Death of Professor Nichol

One Hundred Thousand Subscribers!

Hydraulic Science

Steam-Engine Regulators--Governor Cut-Offs

Fair of the American Institute

Weekly Summary of Inventions

Electrotyping by Lightning

Sale of Patents

Foreign Summary--Metals and Markets

Patent Claims

Molding Fruits and Insects in Metal

Drake's Improved Lamp

Mellen Battel's Cant-Hook

Baldwin's Lightning-Rod

Notes and Queries