SA Supplements

The Sanitary Equipment and Power Plant of a Modern Lodging House

Preventing Condensation on Windows

The Porosity of Vulcanized Rubber

Iron and Steel Rails in America

The Perpetual Calendar in the Reichstag

Cabinet-Making Schools in Germany

Machine for Picking Macadam Roads

Comparative Cost of Combination and All-Steel Highway Bridges

The International Catalogue of Scientific Literature

The Pavilion of Germany at the Paris Exposition

Our Trade with our Island Possessions

The Exhibit of the Dutch East Indies at the Paris Exposition

Egyptian Temples

Selected Formulæ

Trade Suggestions from United States Consuls

Legislation for the Protection of Birds other than Game Birds

Oxygen and Germination

The Mauser Automatic Gun

Separation of Xiphopagous Twins

Bacteriological Notes

The Development of Agricultural Libraries

Patents!

American Engineering Competition