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
346 WOODWORK FOR SECONDARY SCHOOLS. prism from which to get a cylinder suggests a methodsufficiently accurate for practical purposes. To lay offan octagonal prism a carpenter lays the blade of thesquare across with extremities resting on the two arrises … :5 Finished Fig. 557. Lay-Out and ELLirsi-:. of the stock. This gives 24, of course. While in thisposition he marks at the 7 and the 17 graduations.Gage settings at these marks indicate the amount ofchamfer to be given to form the octagon from the s(|uare.\\ ith the octagon prism formed he can…
Woodwork (Manual training)
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