ere. Figure 7 is a cylindrical cup, three' inches in diameter and three inches deep. Actual demonstration shows that the contents of the cone three times filled with water fills the cylinder, and that if the cylinder is filled with water and the ball entirely immersed there will remain in the… … CUBE ROOT BLOCKS. We sell a line of cube root blocks in which the several pieces are made with the same care and accuracy as our kindergarten blocks, which are acknowledged superior to any others ever produced. The above illustration represents the No. 2 set, carrying the operation to two places.…
Schools -- Furniture, equipment, etc. · Teaching Aids and devices
Internet Archive · Winterthur Museum Library · Public domain (published before 1931). Free to use for anything.
