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The Pamphlet Collection of Sir Robert Stout: Volume 79
Visual Perception of Dimensions
Visual Perception of Dimensions.
This didactic material consists of:—
| 1. | Solid insets.—Three solid wooden blocks, each containing ten wooden cylinders, which fit into the corresponding number of holes. In the first of these blocks the cylinders are of equal depths but of varying diameters; in the second, the cylinders are of equal diameters but of varying depths; in the third set the cylinders vary both in diameter and in depth. With these solid insets the child learns to differentiate objects according to thickness, height, and size. |