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 168
termine the length of mortise in the tenon which is to receive the key. These lines should be laid off at a /b/distance apart, equal to the thickness of the tenon. 152, Directions for Ten- .^ T^ T^ on.— (1) Measure from the Simple Forms of Keys. ^ ^ end of the piece the length of the tenon, and… … Fig. 255.
Woodwork (Manual training)
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