Hill Side Railway

The Panic Over

Patent Planing Machine Litigation

Puddle Walls

The Fireless Locomotive

Manufacture of Artificial Butter in New York

Scientific and Practical Information - October 18, 1873

The Art Of Inventing - October 18, 1873

The Fair of the American Institute

Improved Animal Trap

Improved Car Brake

The Fossil Man of Mentone

A New Deep Sea Sounding Instrutment

The Fecundation of Flowers by Insects

Up the Amazons

No. 2

Note on an Electro-Dynamic Experiment

Letter from United States Commissioner Professor R. H. Thurston

Number 14

Recent American and Foreign Patents - October 18, 1873

Answers to Correspondents

Communications Received