Steel Making at Ensley, Alabama

Correspondence

Radium a Transformer

Practical Method for Producing Compressed Tablets

Experiments in Forcing Plants by Ether

Electric Pocket Lamps

Contemporary Electrical Science

Water-Softening

An Inquiry Into the Working of Various Water-Soitteners

Fertilizers from Fish Waste or Refuse

A Costumed Human Figure from Tampico, Washington

The Recent Progress of Tanning as a Chemical Industry

Electroculture

Racing Automobiles in the 1904 Gordon Bennett Cup Rack.—I

By the Paris Correspondent of the Scientific American

Peat as a Fuel

Electrical Notes

Trade Suggestions from United States Consuls

Patents!

Engineering Notes