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Bentley's Hay-Loading Machine

The Most Important American Discoveries and Inventions

Miscellaneous Summary

New Experiments in Working Steam Expansively

Polytechnic Association of the American Institute

Special Notice

The Drill and its Office

Patent Extension Schemes

Coppering Iron Ships

Water as Fuel

The Dictator.

Spare the Centers

Mudsills

New Books and Publications

Recent American Patents

Patent Claims

Patents Granted for Seventeen Years!

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Chesney's Sorghum Evaporator

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April 02, 1864

Think Outside the Gift Box