Tunnel through the Alleghanies

Chloride of Sodium (Common Salt) in Intermittent Fever

Crayons

Gold at the Mint

Court Plaster

Lectures on Chemistry.—No. 2

[Reported expressly for the Scientific American]

The New Crystal Palace

The First Prize

The Poetry of Mechanism

First Locomotive West of the Mississippi

Deterioration of Soils—Agricultural Report of Ohio

Cast-Iron Pavements &C

Speaking through Tubes

The Sphinx

Coupling Shafts and Axles

Improved Straw Cutter

Improved Clover Thresher

Plastering Machine

Spike-Making Machine

Counterfeit Coin Detector

Forcing Down Lids of Boxes

Register for Clocks

Stitching Shoes by Machinery

Intelligent Mechanics

The Ether Controversy—Dangerous Legislation

Steam Engines

Critical Dissertation on Steam, Air, and Gas Engines

The Patent Office

Extension of a Patent

Recent Foreign Inventions

The Fire Annihilator a Fire Propagator

Improvement in the Steam Engine

A Patentee and the Bank of England

American Fashion and Birmingham Buttons