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 345
e difficult to draw thepattern from the mold. 283. Stop-Off Core-Box. y>ow[LL Pins^ —To make a stop-off core-box, (1) plan the con-struction so that the l)oxfor the hole shall be at-tached to the box for theprint, Figs. 545 and 546. (2) Part the whole boxthru the center of the coreand along one… … [NTtH TO AiR,RI6 I^.KNIFE LINE5 o .4/ \1 1 1 11 0 VltW AT AB Fk;. 545. Stop-Off Core-P>ox Detail. PATTERN MAKING. 341 (6) Around the center point, on the faces of each piece,describe an arc with a diameter equal to that of the core. (7) With a radius equal to the distance between the
Woodwork (Manual training)
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