19314 Kent, C. W. Euclid - Lincoln Kent; A . B C; universal formula. LINCOLN ROOM UNIVERSITY OF ILLINOIS LIBRARY the Class of 1901 founded by HARLAN HOYT HORNER and HENRIETTA CALHOUN HORNER EUCLID + LINCOLN = KENT A + B = C <=r Umversat formula % '<9&* ^Pf^k StAVERy GRAMMAR OF NATURE OR KEY TO ike oMadzrA. FUNDAMENTAL PRINCIPLES IP< HAS BEEN J) = c *ENCE = CONCEPT