The War in the Transvaal

The History of Hybridization

St. John Lateran

The Paris Metropolitan Railway

Duplex Milling Machine

Blocks Direct from Drawings

Evolution of Technical Education in Economics, Politics, and Statecraft

And the Work of the Franklin Institute during Seventy Five Years

The Comstock Lode

The Lureck Canal

Japanese and Chinese Paper

Miscellaneous Notes

Selected Formulæ

Trade Notes and Receipts

Trade Suggestions from United States Consuls

Displacement of Fluids by Moving Bodies

Cathodic Reverser for Induced Currents

Fixation of Carbon by Plants

Chemical and Bacteriological Examination of Water and Sewage

The Progress of Science and its Results

Patents!

American Locomotives in England