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Riparia Bridge, Snake River

Compressed Air Mine Locomotives

Machine Riveting Shipbuilding

Gauges and Limits for the Standard M. C. B. Automatic Coupler

Boiler Flue Flange Drilling Machine

Sending Photographs by Wire

New Edison Projector

Portland Cement and Portland Cement Concrete

The Mechanical Action of Alternating Currents

The Relative Hardness of Various Kinds of Electro Plating

Manufacture of Stone Ware

By Edward Orton

A New Galvanizing Process


The Height of Mount St. Elias

By Mark B. Kerr

Production of Olive Oil

Brunton's Quartering Shovel

The Decorative Treatment of Natural Foliage

By Hugh Stannus

Silk Dresses and Eight Hours' Work

By J. B. Mann

An Astronomer's Work in a Modern Observatory

By David Gill

The Upper Atmosphere

By A. C. Ranyard


Citric Acid in Wine

By A. Klinger and A. Bujard


Analysis of Beeswax

By C. Mangold

Citric Acid in Milk

By A. Scheibe

Useful Engineering Books


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