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The Old Mill in Agricultural Hall

The International Exhibition of 1876


A Lost Art in Surgery

The Corliss Beam Engine at the Exhibition

Locomotives at the Philadelphia Exhibition

A Tribute to Prof. F. Reuleaux

Commissioner-General of the German Empire

The Coal of West Virginia

By M. F. Maury

Steel-Wire Hawsers &u003c5;. Hemp Hawsers

Concrete Floors

Barrel Machinery at the Exhibition

Apiculture at the Centennial

By R. McKean Jones

Large Panoramic Negatives by means of Ordinary small Camera and Lenses

By L. Warnerke

The Ventilation of Collieries


Upward Air Currents

Protection of Steam-Reds against the Action of Iron

Powers of the Retina

Poisonous Red Carpets

Typhus Communicated by Vaccination

Metallic Osmium

Combined Locomotive and Reaping Machine

Constructed by Messrs. Aveling & Porter, Engineers, Rochester, England

New Steam Street-Car

Egyptian Antiquities

The Loan Collection of Scientific Apparatus, London

Natural Magnets

French academy of Sciences



Air and Airs

How to Build Cheap Boats

By Paddlefast

The Portuguese Ironclad, “Vasco De Gama”

Exhibition notes.—Admission Charges, Etc.

Lessons in Mechanical Drawing

By C. W. MacCord

Manufacture and Working of Steel

By D. Chernoff and W. Anderson

A Mercury Astronomical Mirror

Groves's Improved Rheostat

The “Frue Vanner”

The Homeric Metal, Kyanos

Redier's Registering Barometer


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    September 02, 1876

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