| Unidentified photographer 9 identical close-ups of an unidentified machine 1890s Cyanotype 30x23 1/4 ins (76.2x59.1 cm) Swann Galleries - New York Sale 2345, The Vernacular Eye: Photographic Albums, Snapshots & Objects, 17 April 2014, Lot: 23 LL/53746
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