Göttingen Collection of Mathematical Models and Instruments

Case number 22

Models of prime knots Models of prime knots Models of prime knots Models of prime knots
Models of prime knots Models of prime knots Models of prime knots Wire frames for minimal surfaces out of soap solution
Wire frames for minimal surfaces out of soap solution Wire frames for minimal surfaces out of soap solution Wire frames for minimal surfaces out of soap solution
Digital solar clock Digital solar clock Digital solar clock

The corresponding bottom case is: Case number U 22

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