Göttingen Collection of Mathematical Models and Instruments

Case number 52

Real part surface with edge of regression Calculating machine Burkhardt-Arithmometer Calculating machine Hamann Manus Calculation machine Hamann, Typ Elma
Calculation machine Brunsviga type 13 Z Calculating machine Brunsviage D 810 XxX Seidel & Naumann calculation machine

The corresponding bottom case is: Case number U 52

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