17 wooden cones with all types of conic sections
Model 428
Description
9 wooden cones with all types of conic sections. Only 9 cones, but 17 parts.
Showcase of this model is Case number 11, Case number 10
9 wooden cones with all types of conic sections. Only 9 cones, but 17 parts.
Showcase of this model is Case number 11, Case number 10