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File:Union switch signal offices swissvale.jpg

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Description
English: Union Switch & Signal head offices at Swissvale, Pennsylvania
Date
Source Here
Author Unknown authorUnknown author

Licensing

This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.

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Date/TimeThumbnailDimensionsUserComment
current12:57, 24 October 2020Thumbnail for version as of 12:57, 24 October 20201,140 × 422 (202 KB)Fma12Uploaded a work by Unknown from [http://rrsignalpix.com/pdf/USS_105_OCR_sec.pdf Here] with UploadWizard

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