Woodwork for secondary schools; a text-book for high schools and colleges, prevocational and elementary industrial schools (1916)
Griffith, Ira Samuel, 1874-1924 · Peoria, Ill., Manual Arts Press · leaf 351
ides without furtlierguide-lines. An ellipse is a fore^-shortenedcircle. Applying this principleto the rectangular spoke or armas indicated in Fig. 557, an el-lipse can be formed sufficientlyaccurate for practical purposes.On the td^Q, the ga^e settingwill be 7/24 of the thickness;on the broad… … Fig. 558. Joint of Five-Spoke Spider. PATTERN MAKING. 347 Fig. 558 illustrates a different type of joint used informing a five-spoked spider. One end of each memberis cut to an angle of 72° to form a butt joint after which aspline may be made use of, if required, to give the neces-sary strength. If…
Woodwork (Manual training)
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