Koh-I-Noor/ Graphoplex 650 Electro

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Note

Front


Back


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Note

French company Graphplex manufactured this rule for an Italian company Koh-I-Noor. It uses unique scale naming convention. Correspondence with "normal" scale names is listed below.

B3 =  K
B2 =  A
b3 =  B
a =  CI
b =  C
B =  D
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