Microforms 1920; Checkograph 1928; Xerography 1930s; Caseli's Pantelegraph c. 1860s; Belinograph 1910; The Reading Machine 1935 #SIMS13
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Microforms 1920; Checkograph 1928; Xerography 1930s; Caseli's Pantelegraph c. 1860s; Belinograph 1910; The Reading Machine 1935 #SIMS13