Departments

• The Chemistry of Soot

• Departments

  Compressed Air Traction in New York City

• Recent Armor Plate Bids

• Progress of the New York Rapid Transit Tunnel

• Lowering of the Atlantic Record

• High-Lift Locks for the Erie Canal

• Experiments with X-Rays in Electrostatic Field

• Paris Exposition Notes

• Limits of Electric Transmission

• Super-Heated Water Motor for Railroad Traction

• Problems of the Chinese Campaign

• Some Stage Effects in "Ben Hur."

• The Paris Metropolitan Underground Railroad

• The Howell Disappearing Carriage

• A Simple Rotary Pump for Light Service

• Gathering and Curing Crude Rubber

• Recently Patented Inventions

• Business and Personal

• To Inventors

• Index of Inventions

• New Books, Etc.

• Notes and Queries

• Patents