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View southeast of computer controlled energy monitoring system. System replaced strip chart recorders and other instruments under the direct observation of the load dispatcher. - Thirtieth Street Station, Load Dispatch Center, Thirtieth & Market Streets, Railroad Station, Amtrak (formerly Pennsylvania Railroad Station), Philadelphia, Philadelphia County, PA
Content Provider | Library of Congress - Photographs |
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Spatial Coverage | Pennsylvania -- Philadelphia County -- Philadelphia |
File Format | JPG / JPEG |
Language | English |
Part of Series | Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey American Memory |
Requires | HTML5 supported browser |
Access Restriction | Open |
Content Type | Image |
Resource Type | Photograph |