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What Circular Saws Can Do

New Brick Machine

What One Saw Did

Death of a Distinguished Inventor

List of Patent Claims

Decease of a Distinguished Mechanic

Children's Aid Society

Model of Ships.--The Speed of the Merrimac

Revenue Steam Cutters

Curious Effects of Cedar

A Different Story About the Merrimac

Cause of the Explosion of the Steamboat Metropolis

Good News for Inventors

Improved Lock for Banks, Safes, &C

Wire Rope

Mariner's Time Compass

Recent American Patents

Experiments With Metals

Congressional, or Public Books

Amending the Patent Laws

Notes on Ancient and Curious Inventions.--No. 5

Recent Foreign Inventions

Volute Springs to the Safety Valves of Locomotive and Other Boilers

Tanneries and Railroads

Discovery of Silver Mines


Signals and Color Blindness

New Seed Planter

Steam Boiler Indicator


  • Letters

    To Correspondents

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