Improved Stave Machinery

Louisville Locomotive Works

Flax Industry.--No. 4

Minot's Ledge Light-House

Scientific Memoranda

A Light on Bunker Hill

Storm Lights

Wintry Weather in New Brunswick

Upward Stroke of Lightning

Recent Foreign Inventions

List of Patent Claims

Beveling and Crozing Barrels

Feed Motion of Saws

Tail-Boards of Wagons

Chloroform Counteracted

Flat-Iron Heater

Coke Ovens

Cut off of Steam Engines

New Brick Machine

Cutting Barrel Heads

Improved Straw Cutters

New Composition of Journal Boxes

Virginia Gold Regions

Rich and Poor Inventors

Roth's Anti-Chlorine

Universal Exhibition at Paris

Re-Inauguration of the Crystal Palace

An Ominous Fact

New Process of Making Bread.-Important

Reform in Franking Letters

Steam or Hot Vapor and the Vacuum

American Association for the Advancement of Science

Met in Washington in the Last Week of April, 1854.

To Correspondents

New Respirator-Proof Against Infection &C.

Mechanics

Old Newspaper

Oxyd of Copper

Depositing of Aluminum and Silicium

Submarine Navigation