Great Britain's Neutrality

The Metals used by the Great Nations of Antiquity

History of the Stone Arch

American Competition in Europe

Electrical Notes

Miscellaneous Formulæ

Miscellaneous Notes

The Armies and Navies of the United States and Spain

The Strategic Value of Cables

Negotiable Paper for Patent Rights

Kites: Their Theory and Practice

ii.theoretical principles.

Sewage Disposal

The New Snow-Plow of the Rhætian Railway

Apparatus for Distributing Railway Tickets

The Jelman-Wepp Crusher

Ladle Crane for Steel Works

Exploring a Great Australian Desert

The Solemn Apes of Indo-China

Remarks on Rhus Toxicodendron

Patents