New System of Deodorizing Petroleum

Polytechnic Association of the American Institute

The Foot Lathe

Recent American Patents

Another Trial in Working Steam

Porcelain Pictures

Patent-Office Decisions

Report of the Secretary of the Treasury

Report of the Secretary of War

Report of the Secretary of the Navy

Pneumatic Dispatch

Experiments in Burning Water

Rimmers

Boiler Explosions

Boiler Explosions from Explosive Gases

Patent Claims

Issued from the U. S. Patent Office