This page originally appeared on Thomas Ehrenreich's Railroad Extra Website
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Parts, Mechanisms, Various Apparatus and Safety Devices

 

Block System for Central Railroad of New Jersey—1890
Westinghouse Interlocking Switch and Signal System—1890
Automatic Recording Signal for Railroads—1890
The Manufacture of Pintsch Gas—1898 [Car Lighting]
Julien System [Battery] of Lighting Railroad Cars—1887 

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