Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 98
s. A small hand stone should also be in every mechanicstool kit. This will be found very useful in sharpeningsmall drills, reamer edges, compass points, etc. The following words on the technique of the grindingwheel should prove to be of interest to the average me-chanic, as the information given… … Fig. 60—Driving a grinding head with a hand grinder and bond should be considered when choosing a wheelfor a certain class of work. The importance of this isobvious to the careful mechanic. Grit—The grit of a Avheel is determined by the sizeof the abrasive particles that compose it. Coarse…
Machinery
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