The Corliss Bevel-Gear Wheel Cutter

The U. S. Government Mechanism at the Great Exhibition

Machinery Hall notes

The Belgian Corliss Engine

Locomotives at the Exhibition

The Main Building and the Art Gallery

The Art Gallery

Tellurium

The Dhu Heartach Lighthouse

Paper read before the Institution of Civil Engineers

The International Exhibition of 1876 Steam Engines

New-York Academy of Sciences

English Printing Machinery at the Centennial

Small-Pox Spread by Dogs

French academy of Sciences

Action of Light on Selenium

Ancient Peru

Our Foreign Iron Trade

The Pneumatic Despatch System in Paris

Raynor's Plan for Submarine Tunnel

Iron and Steel from the Ore

Windmills

Rigid Suspension-Bridge

On Certain austrian Ironclads

Lessons in Mechanical Drawing

How Blossom Rock was Removed

Fall of a Meteoric Stone

Artificial Prevention of Frost

The Errors of Ocular Estimation