Description: 968 horology / 968 horology/(139) indicating by visual means (by electric lamps subclass 576; indicating by acoustical means mechanically subclass 217, electrically subclass 580; acoustic signals at preselected times mechanically subclass 229, electrically subclass 580; optical time signals at preselected times mechanically subclass 244, electrically subclass 577; continuous time indication by electric means subclass 564; visible signalling arrangements g08b 5/00) [g04b 19/00] (147) dials (for time-pieces without clockwork subclass 416; moving discs subclass 162; illuminated dials or hands subclass 213) [g04b 19/06] (158) shiftable dials, e.g., indicating alternately from 1 to 12 and from 13 to 24, etc. (dials with a scale other than the normal 12 hour scale subclass 151) [g04b 19/16] (160) with rotating scales [g04b 19/16c]
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