Volume 91, Issue 1
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Features
State Registration of United States Trade Marks
Superheated Steam
The Purchase of a Reservoir Site
The Rapid Transit Subway Tunnel under the Harlem River
Test of Fireproof Stage Properties in London
The Fifth International Automobile Cup Race
Some Unusual Uses for Fire-Engines
Japanese Naval Guns
A New Life-Saving Gun
A Useful Instrument in the Niagara Falls Power House
Insulating Apparatus for Canned Goods to Prevent Ptomaine Poisoning
Business and Personal Wants
If you manufacture these goods write us once and we will send you the name address of the party desiring the information. In every case it is necessary to give the number of the inquiry.