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Potomac Electric Power Co. Benning plant. Frequency changer view at Benning plant IV

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Potomac Electric Power Co. Benning plant. Frequency changer view at Benning plant IV

description

Summary

Item title devised.
Subject card annotation: construction of foundation and installation of frequency changer.

date_range

Date

01/01/1920
place

Location

Cleveland Park (Washington, D.C.)
create

Source

Library of Congress
copyright

Copyright info

Publication may be restricted. For information see "Horydczak Collection" (http://lcweb.loc.gov/rr/print/res/100_hory.html)

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