Logarithmeum

Collection
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Aristo
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Junior

Aristo Junior

Models in this series:

Slide Rule IDModelLot Code

Model 0900

#157
0900G633
#326
0900G633

Model 0901

#73
09013LR33
#92
09013LT51
#158
09013FE41
#170
0901LT55
#254
0901 (Sample)3LT77
#352
09013LA61
#451
0901