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Features

American Aluminum

Marble Saw

Improved Harvester

Cattle and Whitewash

Another Explosion

List of Patent Claims

Mammoth Sugar Mill

Senator James New Patent Law.--A New Political Machine

Hot Air Locomotive

The New Patent Bill

The McCormick Reaper Patent Extension Refused

Mechanic's Fairs

Improvement in Carriage Springs

How to Feed Bituminous Coal

Cents, Not Pence

The Camels Have Arrived

Recent Foreign Inventions

Preventing Boiler Incrustations

New Method of Rolling Railroad Rails

Notes on Ancient and Curious Inventions.--No. 8

James Patent Bill

The New Patent Law

Sickles' Cut-Off Patent Expired, and an Extension Refused

Recent American Patents

Important Items

Mechanics

Oil from Coal

Oxygen

Plaster of Paris

Cold Weather

Domestic Ginger Beer

Improved System in Mill Work

Improvement in Windmills

Internal Improvement in Egypt

Departments

  • Letters

    To Correspondents

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June 07, 1856

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