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Features

Exhibit of the Hartford Steam-Boiler and Insurance Company

The Manufacture of Sewing-Machine Needles at the Centennial

Exhibition Notes

Frictional geared hoisting engine

Power Presses at the Centennial

Locomotives at the Exhibition

Notes Referring to the Table

A Curious Experiment

The Railway Tunnel under the English Channel

Ice Skating in Summer—The Glaciarium, London

Loan Collection of Scientific Instruments

Chemistry, Mineralogy, Etc

The Industrial uses of Aluminum

Roscoelite, A Vanadium Mica

By James Blake

Dyeing Recipes

From Riemann

Process for Photochromic Prints

By Leon Vidal

Volatility of Barium, Strontium, and Calcium

By J. W. Mallet

Men of Science from Abroad

The World's Alphabets

Railway Brakes

Clamond'S Thermo-Electric Battery

By Latimer Clark

Guattari's Pneumatic Telegraph

Taking up Water without Stopping

A New Double-Reflecting Telemeter

Shooting Stars

By C. A. Young

How Plants Feed

The Satellite of Venus

Lightning Conductors

Functions of the Cerebrum

Guarana

The Ocean's Bottom

Society of antiquaries, London

Fireproof Towns

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