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4/15/2020 10:32 AM 1309787 IBM slave movement (1).JPG
4/15/2020 10:32 AM 1578384 IBM slave movement (2).JPG
4/15/2020 10:32 AM 1603073 Selfwinding Clock (sold by French Hollorith Society, Vincennes) (1).JPG
4/15/2020 10:32 AM 1076762 Selfwinding Clock (sold by French Hollorith Society, Vincennes) (2).JPG