Woodwork for the grades for use in manual training classes (1912)
Selden, Frank Henry · Valley City, N.D., The Maudslay press · leaf 95
Fig. 114—Stropping Plane LESSON 23 GRINDING THE PLANE BIT. After the bit has been whetted several times the endbecomes so blunt that it cannot be easily sharpened in thismanner. There is so much metal to be removed that itrequires too much time and the angle at which you must holdit will be so near… … To remove this large amount of metal the iron is held ona revolving stone which cuts much faster than the oilstone.The iron should be held free-hand against the grindstone as shown in Fig.115. Do not at-tempt to grindthe edge sharpenough for use,but remove thelarger part ofmetal, and thenrefine the…
Woodwork (Manual training)
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