As to Plaintiffhaving right to common law remedy and not beinglimited to proceeding under Workmen's Compensation Act: Larsen, Workmen's Compensation Law, 49.12, footnote 48; 311 Mass. 525, 42 N.E.2d 282, 142 A.L.R. 1393; 163 P.2d 179, 164 A.L.R. 1403; 415 Ill. 110, 112 N.E.2d 461. As to evidence to show changed conditionsbeing admissible where it is accompanied by the properlimiting instructions: 136 S.C. 337, 134 S.E. 385; 80 S.C. 310, 61 S.E. 431; 179 S.C. 485, 184 S.E. 846. As to there being no proof of contributory negligence sufficientto bar Plaintiff's recovery: 181 S.E. 642, 177 S.C. 461; 31 S.E.2d 133, 205 S.C. 162; 33 S.E.2d 764, 183 Va. 851; 71 S.E.2d 585, 222 S.C. 66.