Ditetragonal Bipyramid Small 177×320 Medium 353×640 Large 565×1024 Download Tiff Original 1324×2400 | (227.0 KB) Description "This is the general form; it is bounded by sixteen scalene triangles, and all the indices are unequal." -The Encyclopedia Britannica 1910 Keywords bipyramid, ditetragonal Galleries Bipyramids Source: Encyclopaedia Britannica (11th ed., vol. 7) (New York, NY: The Encyclopaedia Britannica Company, 1910)
