Volume 15, Issue 370supp
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Features
The Utilization of Waste
Savorgnan De Brazza
Launch of a Channel Steamer
The Commercial Museum of Brussels
English and American Locomotives
The Screw Propeller
On the Limiting Numbers of Teeth for Spur Wheels
Chemigraphic Engraving
Whalebone
Specification of Organ at Temple Church, London
English Ideas of American Architecture
Pictures in Glass
Das Telephon
Messrs. D'Arsonval and Bert's Micro-Telephone Apparatus
The Electric Arc in Vapor of Sulphuret of Carbon
Electromotive Force
Small Incandescent Lamps
Photometric Measurements
Approximative Photometric Measurements of Sun Moon, Cloudy Sky, and Electric and Other Artificial Lights