Volume 18, Issue 466supp
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Features
General View of Cairo
The Navigation of the Nile
English Boats for the Nile Expedition
A New Method of Constructing Horizontal Tubular Boilers
Portable Bridges
Viscosity of Oils
Combined Locomotive and Car
The Wall
The Stanhope Water Softener and Purifier
Telephoning without Wires
Devices for Making Electric Connections
The Creators of the Age of Steel
Bessemer, Siemens, Whitworth, and Gilchrist