Dissected cone

Made:
1876 in St Petersburg

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Dissected cone, 8 pieces; height 16 3/4 inches. View of whole object on grey graduated background
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Dissected cone, 8 pieces; height 16 3/4 inches. View of whole object on grey graduated background
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Dissected cone, 8 pieces; height 16 3/4 inches. View of whole object on grey graduated background
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Dissected cone, 8 pieces; height 16 3/4 inches

In the 19th century geometry was often taught using solid models. This dissected cone is from St Petersburg and was presented by the Pedagogical Museum to the 1876 Special Loan Exhibition, where educational and scientific instruments from around the developed world were displayed. It is cut to show a parabola, hyperbola, ellipse and triangle. Elementary geometry teaching was based on the works of the Ancient Greeks; the definitive book on conics was that of Apollonius, written c. 200 BC.

Details

Category:
Mathematics
Object Number:
1876-909
Materials:
metal (unknown) and wood (unidentified)
type:
dissected cone
credit:
Pedagogical Museum, St Petersburg

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