Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 419
344 THE STEEL SQUARE 5 The figures to use for other polygons are as follows: Triangle Square Hexagon Nonagon Decason 20i|12 7 4.1 ^8 … In Fig. 6 the same process is used in finding themiter and side of the hexagon polygon. To find the degree line, 360 is divided by 6, the num-ber of sides, as follows: 360 -^ 6 = 60; and60 -^2 = 30 degrees. Now, from 12 ontongue, draw a linemaking an angle of .30degrees with the tongue.It will cut…
Architecture · Building · Carpentry
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