SA Supplements

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

Monteverde's Statue of Architecture

Paper making “Down East”

Design for a Gardener's Cottage

Goulier's Tube-Gauge

Miocene Man

The New York Fish Commission Ponds at Caledonia

Wheat-Meal Bread as a Means of Diminishing Tubercular Disease

Siemens' Telemeter

Sir William Thomson's Pile

Working Copper Ores at Spenceville

Soldering without an Iron

The Cascade Battery

Physics without Apparatus

Perfectly Lovely Philosophy

New Method of Detecting Dyes on Yarns and Tissues

The Proposed Dutch International Colonial and General Export Exhibition

Chevalet's Condenso-Purifier for Gas

Artificial Ivory

Creosote Impurities

Sunlight and Skylight at High Altitudes

Remedy for Sick Headache

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

Entomology

How to Establish a true Meridian

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

Patents