Lathem 2000 - Manual (Page 7)

Mechanical Time Recorder User’s Guide
Page 6
Dial of Decimal Equivalents
Figure 3
The dial in Figure 3 shows the tenths and hundredths setting for
each minute. The inner circle represents regular minutes, the
middle circle represents tenths, and the outer circle represents
hundredths of a minutes.
For example:
45 minutes = .7 tenths = .75 hundredths