Volume 56, Issue 1449supp
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Features
The Influence of Brain-Power on History
Sir Norman Lockyer's Presidential Address to the British Association
Theories of Sleep
Jenatzy Magnetic Clutch
Manufacture of Stamped Envelopes
Production of Coke in 1902
“Dim Religious Light”
Sun Dial with Electric Bells
Mining and Manufacture of Rock-Salt
3. Steam Evaporation
Time-Saving in Working with Logarithms
The World's Occupations
The Wireless Protocol
The Vernaison Suspension Bridge
The Ninth International Geological Congress
The Lebaudy Airship
The Improved Longuemare Carbureter
The Paris Correspondent of the Scientific American