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 31
6 B 5 Fig. 24. Laying off an Octagon. … Fig. 25. Brace. its extremities are certain equal distances from the in-tersection of post and beam, A and B, Fig. 25. TOOLS AND PROCESSES. 27
Woodwork (Manual training)
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