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Automatic Stop-Motion for Steam Engines

How to Detect Counterfeits

Recent American Patents

Extracts from Helmholtz

Merritt's Tree Protector

Condition of New York Machine Shops

An Agricultural Museum at Washington

The Pneumatic Loom

Rowes's Diaphragm Pump

Way Flannels Become Damp

The Crank Motion

Balanced Slide Valves

The Patent Office

Special Notice

Lighting Paper at a Lamp

Rogers's Rain Conductor


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February 11, 1865