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Improvement in Oscillating Engines

Gold Mining in Wales

English and American Intelligencer

The Emperor of Russia Dead

Watchmakers' Lather

Air Heating Furnace

New Washing Machine

Improved Caster for Billiard Tables

Self-Loading Cart

Glass Globes Unfit for Fish

The Art of Dyeing--No. 13

Depth of the American Lakes

The Ratio of the Diameter to Its Circumference Is Exact

A California Lamprey

Properties of the Electric Spark

The Sphygmograph or Pulse Writer

Rifle Shooting

Clock Statistics

On Gum Mezquite

Improved Arrangement of School Desks

Gas Regulators

Improved Sleigh

Improved Weighing Scales

Weather in England

British Patent Office--Formalism

The Gulf Stream

Niagara Suspension Bridge

Who Is the Inventor of Combined Stame and Steam in Engines

The Olive in California

To Our Book Publishers

Fall of Black Snow

List of Patent Claims

Fire-Proof Floors

Saw Filing Machine


The New Postage Law--Important to the Public

To Kill Ants

Important Items

Percussion or Fulminating Powder

The Charleston Artesian Well

Warming Cities

History of Reaping Machines--No. 24

The Fair of the Metropolitan Mechanics Institute

To Cure Felons

Who Invented the Zig-Zag Sickle

Wire Fence


  • Letters

    To Correspondents

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