A Problem in Shipbuilding

Rock Blasting Under Water

The Cox Type-Setting Machine

The Mining and Minting of Gold and Silver

A School for the Motormen of Electric Carriages in Paris

Explosion at the Champeaux Restaurant at Paris

Thalassic Submersion a Means for Disposal of Our Dead

Rockford, Ill

Miscellaneous Notes

Selected Formulæ

Engineering Notes

The Alethorama

Cause of Brightness in Welsbach Mantles

The Chrysanthemum “What Hop”

A Short History of Scientific Instruction

The Elephant in India

The Wydts - Rochefort Transformer

A Tallow Lamp for Glass Blowing and Other Blowpipe Work

Patents!

The Cottrell Pneumatic Tire