000			00756cam a2200145 4500
082			_a621.922 _bJAC _cL-24 P-2.
100	1		_aJacobs, Frederic Burnham, _942167
245	1	0	_aAbrasives & abrasive wheels, their nature, manufacture and use; _ba complete treatise on the manufacture and practical use of abrasives, abrasive wheels and grinding operation ... _cby Fred B. Jacobs. A practical handbook forengineers, factory superintendents, foundrymen, shop foremen and mechanics in general.
260			_aNew York, _bThe Norman W. Henley Pub. Co., _c1919.
300			_a337, (l) p. _bincl. front. (port.) illus., diagrs. _c22 cm.
526			_a0 _b0 _c0 _d621_922000000000000_JAC
650		0	_aGrinding and polishing. _942168
650		0	_aMCE _9379
942			_2ddc _cBK
999			_c546107 _d546107