SA Supplements

The Manufacture of Candles

Uses of Fish Scales

The Murnau-Oberammergau Railroad

Alinite

Steel Crossties in Sumatra

Selected Formulæ

Trade Notes and Receipts

Trade Suggestions from United States Consuls

The Art of the Paris Exposition and some of its Buildings

Mineral Resources of Ecuador

Photographic Notes

Scientific Progress Abroad

Steel in New Zealand

X-Ray Bulbs with Cooled Anticathodes

The Commercial Separation of Platinum from Gold

New Observations on the Chemical Action of Light compared with that of the Electric Effluvium

Grahamite

Watson's Feed-Water Filters

Russian Savings Banks

Star Drill Forging Machine

Oils as a Source of Energy in Explosion Engines

Relic of Dr. Livingstone

A. Milne Edwards

Colorado Mud Volcanoes

Traveling Cocoons

Cypripedium × Hera, Var. Euryades

Crab Ravages in China

Lining Mining Shafts

Patents!

New Books, Etc.