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Features

Progress in Astronomical Telescopes

By W. R. Warner

Improvement in Equatorial Telescopes

The Migratory Locust

Hakea Laurina

Directions for Tree Planting

Design for Florist's

Recent Improvements in Photographic Development

By W. K. Burton

Vaseline.—Petreoline—Neutraline

Asbestos

Thirty-Five Ton Steam Crane, Abouchoff Steel Works. St. Petersburg

The Old “Steam Jack”

The Resilience of Steel

By Wilfred Lewis

Sellons Electric Stove

The Warnon Pile

De Locht-Labye's Hammer Telephone

Domestic Electric Lighting

Induction and Conduction

By Willoughby Smith

Recent Progress in Teaching Deaf- Mutes

The Viennese Female Fencers

The Children's Home at Linden, Near Hanover, Germany

Lessons from the Greely Relief Expedition

The Great Pyramids

James Marion Sims, M.D., L.L.D

Fusion of Platinum at Low Temperatures

By A. B. Griffiths

Oat Meal for Scarlet Fever

How to Cure a Felon

By C. C. Gratiot

Removal of a Gun Breech and Bolt from the Nose after Five Years

By Rushton Parker

Departments

  • Departments

    Patents - April 18, 1885

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial