Rotational surfaces of constant negative curvature
Model 416
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Category: |
Description
Rotational surface k = const < 0. Type like no. 386. Inner and outer face. Wood, large.
Showcase of this model is Case number 40
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Category: |
Rotational surface k = const < 0. Type like no. 386. Inner and outer face. Wood, large.
Showcase of this model is Case number 40