Göttingen Collection of Mathematical Models and Instruments

Case number 52

Movable metal framework to the theory of the null system xy' - x'y + K (z-z') = 0 Real part surface with edge of regression Model of the gyro compass with globe built-in elevator mechanism Calculation machine Brunsviga type 13 Z
Calculation machine Hamann, Typ Elma Calculating machine Hamann Manus Calculating machine Burkhardt-Arithmometer
Calculating machine Brunsviage D 810 XxX Seidel & Naumann calculation machine Plane (almost mathematical) pendulum

The corresponding bottom case is: Case number U 52

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