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Wimshurst's Influence Machine

The Wimshurst Induction Machine

Engine Dynamo and Motor

Theory of the Color Sense

Transformation of Physical Forces

The Physical Laboratory in Modern Education

By Henry A. Rowland

Telescopic Objectives and Mirrors: Their Preparation and Testing

By Howard Grubb

Barbey's Ixometer

Bertrand's Refractometer

Apparatus for Distributing Sulphide of Carbon

Gas Engineering and Modern Science

By Denny Lane

The Paris Metropolitan Railway

Testing Machine at Watertown Arsenal, Mass

By J. E. Howard

A Meat Cannery

The President's Address to the Master Mechanics' Association

Automatic Registration of the Heat Units Disengaged by a Living Being

By A. D*amp*apos;Arsonval

Vertigo, and its Treatment by Blisters

The Absorbability of Fats or Analogous Substances by the Skin

By E. B. Angell

Influence of Forests on the Climate of Sweden

The Creeping Avens

(Geum Reptans.)

Vegetation of South Georgia

Owlet Moths

Explorations and Excavations in Asia Minor

The Form of the Earth

Stress and Strain

Australian Caves

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