Gymnastic Exercises of Italian Cuirassiers

Evolution of Technical Education in Economics, Politics, and Statecraft

And the Work of the Franklin Institute during Seventy-Five Years

Lampblack from Coal Gas and Acetylene

Leather Industry in Germany

The Uganda Railway

Steamship Lines to the Hawaiian Islands

The Dortmund-Ems Canal

Selected Formulæ

The Capacity of Aluminum in Lithographic Printing and Drawing

Miscellaneous Notes

Trade Suggestions from United States Consuls

Boats and Sails.—II

Electric Auxiliary Machinery in the United States Navy

Fixation of Carbon by Plants

The Observatory of Pulkowa

The Production of Rubber in the Amazons

Proper Forms for Cross Sections of Moving Bodies

The Progress of Science and its Results

After Generation of Acetylene

Patents!