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Manufactured By:
Philip S. Justice
Philadelphia, PA

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Title: 1871 Ad-Philip S. Justice, Dead Stroke Power Hammer & Philadelphia Hydraulic Jack
Source: The Railroad Gazette, V3, 05 Aug., 1871, pg. VIII
Insert Date: 10/6/2022 8:49:56 PM

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US Patent: 52,894
https://www.datamp.org/patents/displayPatent.php?number=52894&typeCode=0
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1871 Philip S. Justice, Dead Stroke Power Hammer & Philadelphia Hydraulic Jack
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