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The Modern Telescope

By J. Norman Lockyer

Telescopes for California

On the Minute Measurements of Modern Science

By Alfred M. Mayer

Science Notes

Density of Vapors

Industrial School of Flers

The Steam Yacht Estelle

Improved Hydraulic Hoist

The Drive Well in England

Yorkshire College of Science

Lessons in Mechanical Drawing

By C. W. Maccord

Heated Air for Combustion

DR. E. Von Bary

Dynamite Experiments

Slag for Road-Making

Reclaiming a Large Swamp

Improved Coal-Cutting Machine

Improved Speed Indicator

Improved Winding Machine

History and Art of Dyeing

Impurity of the Granulated White Sugars of the Market

By Edward Runyon

Open Air for Consumptives

By H. B. White

The Cochineal Reds upon Woolen Tissues

By M. Kielmeyer

To Dye Silk with Aniline Grey or Bengaline

Printing Woolens a Cochineal Red

By M. Kielmeyer

Why Milk Sours during Thunderstorms

By Malvern W. Iles

Cultivation of Medicinal Plants at Hitchin, England

Curator of the Museum of the Pharmaceutical Society

By E. M. Holmes

Origin of Diphtheria

The Plethysmograph

Money Value of Lives

The Efforts of China to Suppress the Opium Traffic

Street Dust

By Henry G. DeBrunner

Syrup of Orange Peel


Tests for Oil of Almonds

Phosphide of Tin


Germs in Disease

Self Mates and Conditional Problems

Our Boys

Music and Chess

Solutions to Problems

By C. A. Gilberg

Chess Trophies



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