Volume 34, Issue 870supp
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Features
The Modern Marine Boiler
The Manipulation of Metal in the Manufacture of Ammunition for Modern Breech-Loading Rifles
Block Signals
Port's Universal Wrench
The Imperial Institute, London
Electric Lighting of Photographic Laboratories
Oakland, San Leandro and Haywards Electric Railway
Prison Reform
Action of Nitric Oxide upon the Metallic Oxides
Hiram Sibley
The Life of Dr. P. H. Vander Weyde
An Autobiography