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Notes from the Exhibition

The single-rail railroad

The International Carriage Exhibition

Foreign Carriages

Carriage Exhibits at the Centennial

A Railroad Relic—The Locomotive “Lion”

The Centennial Exhibition

Novel Mortar Carriage and Truck

Our Population

The Peoile of the United States One Hundred Years Ago and Now

Brazil at the Exhibition

New Process for Iron

Working Dogs

Street Pavements

Steel Rails-English Experience

Car-Wheel Boring Machine

Constructed by Messrs. W. B.Bement&Sons, Engineers,Philadelphia

Zinc as an anti-Incrustator

The “Liberty” Printing Presses at the Centennial

Loan Collection of Scientific Apparatus, Kensington Museum, London

The Philadelphia Public Buildings

By J. McArthur

Microscopical Structure of Rocks

The Magneto-Induction Machine

By Eduard Zetzsche

New Microscopic Amplifiers

American-Indian Stone Tubes and Tobacco-Pipes

New Continuous Spinning Machine

The Radiometer

New Pyrometer

Improved Galvanic Battery

By J. E. Watson

Action of Zinc on Solutions of Cobalt

By M. Lecoq De Boisbaudran

Usnic Acid

By E. Paterno

Tests of the Strength of Dovetail Joints

Preventing Smoke from Steam-Boilers

New Puddling Furnace

New Air-Pump

Concentrated Solution of Salicylic Acid

By C. L. Mitchell

Aniline Green in Tissues with Cotton Warp

Salicylic Acid

By Charles Becker

Rusting of Iron

By A. Wagner

New Process for Determining Astringents

By M. F. Jean

Metallic Oerium, Lanthanum, and Didymium

Metallic Gloss for Dyed Fabrics

Direct Test for Calcium in the Presence of Barium and Strontium

By Malvern W. Lles

Electro-Magnetic Rotations

Ice in Great Britain

Liquid Films


The Artificial Production of the Crystalline Formation of Snow

The Electric Light

Tinning of Metals


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    August 12, 1876