| 摘要 |
An annular days dial (10) is graduated as three series of one to nine, the third series having an additional digit one. The dial is advanced one digit each day by a rotating tooth (14) and drives a star wheel and a tens of days indicator (8) through teeth (16). Both indicators may be viewed through a window in the main dial and a manual mechanism (34,40) corrects for months having less than thirty one days.
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