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James Prescott Joule

The Comet from the Pyramids, Cairo

The New York Canals

Cottrau's Locomotive for Ascending Steep Grades

H. S. Parmelee's Patent Automatic Sprinkler

Bachmann's Steam Drier

Instrument for Drawing Converging Straight Lines

Feed—Water Heater and Purifier

By George S. Strong

Paper making “Down East”

Design for a Gardener's Cottage

Monteverde's Statue of Architecture

The New York Fish Commission Ponds at Caledonia

Miocene Man

Goulier's Tube-Gauge

Wheat-Meal Bread as a Means of Diminishing Tubercular Disease

By M. Yates

Sir William Thomson's Pile

Working Copper Ores at Spenceville

Soldering without an Iron

Siemens' Telemeter

Perfectly Lovely Philosophy

Physics without Apparatus

The Cascade Battery

By F. Higgins

New Method of Detecting Dyes on Yarns and Tissues

By Jules Joffre

The Proposed Dutch International Colonial and General Export Exhibition

Creosote Impurities

By P. W. Bedford

Artificial Ivory

Chevalet's Condenso-Purifier for Gas

Sunlight and Skylight at High Altitudes

Remedy for Sick Headache

The Mineralogical Localities in and around New York City, and the Minerals Occurring Therein

By Nelson H. Darton


How to Establish a true Meridian

Sparrows in the United States.—Effect of Acclimation, etc.


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