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The Remains of William Harvey

By Benj. W. Richardson

Gvlielmvs Harveivs

Milk as a Vehicle of Contagion

By Alexander R. Becker

Plateau's Films

Laughter as a Medicine


Chemical Novelties

Spectral Analysis and the Identity of Chemical Elements

Bailey's Apparatus for Testing Lubricating Oils


By E. Donath

Manufacture of Alum

By MM. A. Gaudin and J. P. Fonquergne

Economy of Fuel and Prevention of Smoke

A Fast Steel Yacht

Artesian Wells

Improved Apparatus for Launching Boats

The United States Capitol, Washington

The Failure of Concrete at Cambridge

A New Lightship

Hot and Cold Water Plumbing

The Foster Brick Kiln

On Blue Alizarine

By MM. H. Koech and M. Prud*amp*apos;homme

Corner Mount of Book-Cover

How to Make an Induction Coil

By M. Hopkins

On the Minute Measurements of Modern Science

By Alfred M. Mayeh

Stroumbo's Apparatus for Determining the Magnetic Inclination and Declination

Collin's City Time Regulator

Australian Timbers

A Breath Battery and Telephone


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