Volume 86, Issue 8
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Features
The Darien or San Blas Tunnel Canal Route
Science Notes
Steam Boiler Inspection
Our Forthcoming Automobile and Outing Number
A Variable Speed Gear for Pumps
Photographing by Electric Headlight
A Simple Method of Etching Pictures
The Santos-Dumont Airship No. 7
The New Redheugh Bridge at Newcastle-On-Tyne
Improved Railjoint
Winter Railroading in Alaska
Some Aeronautical Experiments
The Duke of Saxe-Coburg-Gotha's Collection of Nefs
By the English Correspondent of the Scientific American.