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Montre A Tact (Blind Man’s Watch) Abraham-Louis Breguet France, c. 1800 Atwood Collection 577 This ingenious watch is read by the fingers, not by the eyes. The pearls around the outer edge mark the hours, with larger pearls marking 3, 6, 9 and 12. The user feels where the arrow is pointing in relation to the pearls to determine what is the current time. Photo by Dirk Fletcher |
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Copyright © 2002 Museum of Science and Industry, Chicago |