The Thermal Baths of the Vale of Lamalou

Cripple Creek

The Sardine Fishing Industry in New Brunswick

Hints for the Herbarium

The Shade Tree Insect Problem in the Eastern United States

The White-Marked Tussock Moth (Orgyia leucostigma Smith and Abbot.)

Industrial and Trade Schools in Germany

Selected Formulæ

Electrical Notes

Miscellaneous Notes

Engineering Notes

Exposition of the German Colonies at Berlin

$250 Prize Essay Competition—The Progress of Invention during the past Fifty Years

Fourth Prize, won by (Semper Fidelis) Gardner D. Hiscox

Wood Engraving as Compared with other Reproductive Arts, and its Future as a Fine Art

The Manufacture of Fabrics for Tires

Pyrochromy, or the Decoration of Wood, Ivory, Leather, Etc., by Fire

The Sand Blast Apparatus for Cleaning Castings

Solid Solutions

Measuring Eyes for Glasses without Asking Questions

Monochromatic Images and Photography

Patents!