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 134
29 surface a little smoother but still not suited for final finish.Drum No. 3 carries No. 1, or finer, sandpaper whichpolishes off all the scratches and leaves the surface readyfor the application of a finish. As the stock leaves themachine small rotary brushes remove all dust andparticles of sand… … rt\NDWHEEL roi\ VeHTOL ACUUSTMENT- Fig. 204 Belt Sander. The drums should run at 800 R. P. M. on an averagesize of machine and will require from 6 to 15 H. P. 124. The Belt Sander.—Belt sanders are made in avariety of forms. Fig. 204 illustrates one type. It con-sists of two pulleys arranged at any…
Woodwork (Manual training)
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