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Features

The Cañons of the Colorado

American Archæology

Forest-Tree Borers

By Mary E. Mcrtfeldt

The Fire-Bush

Chromo-Photography

A New Albert-Type Process that Reproduces Color in Pictures

The Collodio-Bromide Emulsion Process

Edwards' Enlarging and Copying Camera

Blue Alizarin

On the Use of Chalk in Dyeing Wool

Manganese and Chrome Blues

Dyes and Colors

Direct Ink Printing from Glass Negatives

By Hans Brand

Absorption of Carbonic Oxide

Hearing by the Teeth

Food

Contributions to Blowpipe Chemistry

First Paper.—New Blowpipe Bellows*

By P. Casamajor

100-H. P. Horizontal Condensing Engine

The Paris Exhibition

Portable Mining Engine

Goods Engine, Paris and Orleans Railway

Brown's Tramway Locomotive

A Military Railway

A Trade Mark Case

A Small Boat for Rough Water

Boats' Rigs

The Pieri Rifle

New Arrangement for Telephone

By Brown Ayres

The Magneto Electric Light

By W. de W. Abney

Electro-Harmonic Telegraphy

By F. L. Pope

Jablochkoff's Method of Electric Lighting

Frank Leslie's Problem Tournament of 1858

G. N. Cheney, of Syracuse, N. Y

Rousseau as a Chess Player

Scientific American Chess Record

Solutions to Problems

The Great Correspondence Match— America Vs. England

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    July 06, 1878

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