00665cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035001900092040004800111042001200159050001700171082001100188100004100199245006200240260004500302300004400347650003900391999001700430sg 45000273 DLC20260227112746.0770804s1945    xx            000 0 eng c  asg 45000273   a(OCoLC)3161904  aU. S. Surg.-gen. off. Libr.cOCdOCoLCdDLC  apremarc00aRE925b.M254  a617.751 aMacCracken, William Benjamin,d1869-10aNormal sight without glasses,cby W. B. MacCracken, M. D.  aBerkeley, Calif. [!]bThe author,c1945.  a3 p. l., ix-x p., 2 l., 3-89 p.c21 cm. 0aEyexAccommodation and refraction.  c90668d90668