Читать книгу Industrial Arts Design - William H. Varnum - Страница 21

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Rule 3a. If the primary mass is divided into two vertical divisions, the divisions should be equal in area and similar in form.

Rule 3b. If the primary mass is divided into three vertical divisions, the center division should be the larger, with the remaining divisions of equal size.

Rule 3c. In elementary problems, if more than three vertical divisions are required, they should be so grouped as to analyze into Rules 3a and 3b, or be exactly similar.