visibility Similar

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Camera - Glass negative photogrpah. Public domain.

Treasury, Internal Revenue Dept., Washington, D.C.; opium smokers outfit

Mrs. Lawrence J. Ullman, business in Tarrytown, New York. Round table and doctor's log, vertical

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Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

Thirtieth Street Station, Power Director Center, Thirtieth & Market Streets in Amtrak Railroad Station, Philadelphia, Philadelphia County, PA

description

Summary

Significance: It was designed to visually and aurally indicate the operating status of the railroad's power system. This particular power director center monitored and supervised operation of all switches in the railroad's power control system from North Philadelphia to Wilmington, Delaware. The power directors working at this site oversaw the continually updated the electrical status of the system...

Survey number: HAER PA-404-A

Building/structure dates: 1935 Initial Construction

Nothing Found.

label_outline

Tags

thirtieth thirtieth street station power director power director center market market streets amtrak railroad amtrak railroad station philadelphia philadelphia county pennsylvania images of philadelphia railroad stations railroad companies engineers gibbs and hill historic american engineering record kellogg switchboard and supply company photo ultra high resolution high resolution library of congress
date_range

Date

1969 - 1980
person

Contributors

Historic American Engineering Record, creator
Gibbs & Hill, Engineers
Kellogg Switchboard & Supply Company
place

Location

Philadelphia, Pennsylvania, United States ,  39.95258, -75.16522
create

Source

Library of Congress
link

Link

http://www.loc.gov/
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

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Topics

thirtieth thirtieth street station power director power director center market market streets amtrak railroad amtrak railroad station philadelphia philadelphia county pennsylvania images of philadelphia railroad stations railroad companies engineers gibbs and hill historic american engineering record kellogg switchboard and supply company photo ultra high resolution high resolution library of congress