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An Ancient Geographer

Ballooning Mishaps

The Cultivation of Palms

Evidences of the Antiquity of Man in Eastern North America

The Forests of the United States

Fruit Growing in Jamaica

History of the Dwelling

The Iron Ores of the United States

By John Birkinbine

Improved Gas Motor for Street Railways

The Need of the Southwest—A Deep Water Port for Texas

By Lewis M. Haupt

Gaedicke's New Sodium Light for the Dark Room

Non-Crocking Blue on Cotton

Best Methods of Making Instantaneous Photographs during Both Day and Night, Illustrated by Experiments and Projections

By E. P. Howland

Progress of Photography

By W. H. H. Clark

Types of Marine Signals

The Scrubbing, Condensing, and Washing of Coal Gas

By William Key

Electrical Action Due to an Intervening Medium

By G. F. Fitzgerald

Cheap Apparatus for Generating Sulphureted Hydrogen

By J. Martin

Telegraphing without Wires

Examination of Honey

By K. Kayser

A New Method of Determining Lithium by Means of Fluorides

On RhinAnthin

By T. L. Phipson

Building Plans and Specifications


  • Departments

    Patents - October 6, 1888

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