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Photograph of a close-up of what appears to be a hydraulic machine, [s.d.]. A man's hand can be seen in the left foreground, his index finger pointing to a metal machine. An inscription on one of the metal parts of the machine reads, "operating level when hot", and the number, "23248", can be read below the inscription.
1 photograph : negative, b&w 13 x 18 cm. negatives (photographic) photographs
chs-m30409 [Legacy record ID] CHS-35768 http://doi.org/10.25549/chs-m30409 http://thumbnails.digitallibrary.usc.edu/CHS-35768.jpg
Machinery Hand Buildings
35768 [Accession number] CHS-35768 [Call number] California Historical Society [Contributing entity]