Kindergarten Magazine Company · New York, N.Y. : Kindergarten Magazine Company · leaf 388
because within it we find the sphere. Pass the string through the eyelet in its roundface__not the flat, circular faces—and revolve itas given in the previous lesson. This will showthe sphere as it is, always a delightful surprise tothe children. Repeat the following: If from my round face you spin… … the cylinder as in revolving the sphere it showsonly the sphere. NINTH LESSON-ROTARY MOTIONS-CUBEBy suspending the cube from one of its facesit gives us the cylinder. Thus we see the cubecontains the cylinder and the sphere, and in turnthe sphere contains the cube and cylinder, as maybe easily…
Kindergarten
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