Shall we Retard, Divert, or Confine Our Flood Waters?, Personal Error and Efficiency Engineering and more

The Anesthetizing Machine of Prof. Dubois, A New Theory of Sleep

A Telephone Transmitter without a Mouthpiece

Seeing Under Water

How Things Look From a Fish's Point of View By the Berlin Correspondent of the SCIENTIFIC AMERICAN

"Moon-Farming", Gold-tin Cans

Agriculture, Electricity and Irrigation

Intensive Farming Made Possible With the Electrically Driven Pump

Franklin Institute Treasures

Discovery of Keeley's Motor, the First Yale Lock, Franklin's Static Machine and Other Interesting Models in the Underground Storage Rooms of the Old Building

Improving a Harbor of Curaçao

One Effect of the Panama Canal's Completion

How to Sell Inventions

Rehabilitating the Roman Campagna, The Alpenglow and more