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Useful Cement for Cast Iron Joints

Great Dams for Gathering Water

What One Saw Did

New Press for Hay, Cotton &C

Compressing the Bulk of Flour

Filling Around Cellar Walls

List of Patent Claims

Oridinal Picture of Hampden

A New Steam Fire Engine

Gold Extracting Invention Wanted

Brittle Annealed Iron

Hemp and Flax Culture--Machines for Cutting and Dressing Wanted


McCormick Versus Manny's Reaper

The Decks of Ships

Inspection of Flour

Memoir of an Inventor

Liebig on Beer

Dressing Circular Saws

New Universal Joint

Improved Windmill

Patent Extensions

Natural Right of Man to His Invention

Decay of National Health

Recent American Patents

Recent Foreign Inventions

Stone Cement

Notes on Ancient and Curious Inventions--No 1

Important Items

Curious Use of the Microscope


Chloroform and the Blood

Color Blindness

Machine for Planing Timber

Expensive Books

Culture of Currants



  • Letters

    To Correspondents

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