Original Odhner - model description

source: Timo Leipälä

 

model

capacity

features
7, 107 10 x 8 x 13

 basic model with no extras
9 10 x 8 x 13  carry takeover in quotient register
10    British currency model
11 11 x 10 x 20  carry takeover in quotient register
21 11 x 10 x 20  large capacity
22 10 x 8 x 13  control register
23 10 x 8 x 13  control register, carry takeover and one-hand clearing
25, 125 11 x 10 x 20  control register, carry takeover and back transfer
27, 127 10 x 8 x 13  back transfer
29, 129 10 x 8 x 13  carry takeover and back transfer
30 10 x 8 x 13  fast clearing
31 10 x 8 x 13  one-hand clearing
35, 135 10+10 x 8+8 x 13+13  double calculator
37, 137 10 x 8 x 13  control register and back transfer
39, 139 10 x 8 x 13  control register, carry takeover and back transfer

note: capacity is input x counter x result

last updated: 04-Aug-06