Robert K. Ailes, the well known mill-wright, died tbis moruing at 11 :45. He had been in poor health all winter and his deatfa was not nnexpected. The time of the funeral has nofc yet been announced. Mr. Ailes was the sou of Amos aud Eliznuetu Ailes and was born in Lancaster county, Pa,, iii 181!). At au early ago he was apprenticed to learn the trade of a mill-wright which he acquired so thoronghly as to beconie one of the most expert men iu his line of business. His opinión was rmich sought after aud recognized as an anthority. In 1S40 he removed to Jackson and after a short time removed to Aun Arbor. In those days the trade of a mill-wright; was of great importance almost equal to that of a civil engi ueer. He was called to build and repair milis thorughont Michigan. For a numbcr of years be was a member of the flrm of Tripp, Ailes & Price who eonducted the fonndry then situated on W. Huorn st. , now occupied by the F Lu ff Rug factory. Mr. Ailes was a man of more than ordiairy ability and his memory astouishing. Until recently he could recall the most minor details of forruer transactions and poiuts in tne conformation of the land where milis were situated. In 1868 be married Miss Huldah Aun Beutly. She died some years ago. Three childreu, Mrs. Hattie Mahon, of Detroit. Miss Nettie Ailes, of this city, ana Charles, of Washington survive Mr. Ailes. Mr. Ailes with the late Louis Moore, father of Eli Moore, of thi ■ city, learued their trade witli Robert Sultou, of Fowlerfield, Cluster couuty, Pa., a few miles froni Chestjjuf Level, Mr. Alies' home. With Mr. Sultou these two young men worked on mauy milis in easteru Pennsylvania. After Mr. Alles canie to Michigan Mr. Moore followed and their early frieudship was reneWed.