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LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseDissected cone, 8 pieces; height 16 3/4 inches
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Dissected cone, 8 pieces; height 16 3/4 inches
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Dissected cone, 8 pieces; height 16 3/4 inches
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.
Two parts of a diescted cone, with Russian writing across the middle. Two dowels on each one. They have a white flat edge and the curved edges are wood. One of these has a stamp and some writing on. This cone is a dissected and from St Petersburg, made in 1876.
Two parts of a diescted cone, the curved edges are wood and flat ones are painted white. One corner has some damage. This has a large flat side and a flat bottom. This cone is a dissected and from St Petersburg, made in 1876.
Two parts of a diescted cone, the curved edges are wood. These parts are a large flat side, and the point for the top of the cone, one side has three stripes around it. This cone is a dissected and from St Petersburg, made in 1876.
Two parts of a diescted cone, this is the bottom middle pieces of the cone. It has three flat edges, front, back and bottom. This cone is a dissected and from St Petersburg, made in 1876.
