BY GEORGE M. KOBER, M. D., LL.D. Chairman of the Committee on Social Betterment of the President' A REPORT OF THE COMMITTEE ON SOCIAL BE 4.5. PUBLISHED BY THE PRESIDENT'S HOMES COMMISSION WASHINGTON, D. C. П. С. МАСАТЕЕ Treasurer JOHN B. SLEman, Jr. Statistician GUSTAVUS A. WEBER Executive Secretary CHARLES F. WELLER Executive Committee GEO. M. STERNBERG, Chairman GEO. M. KOBER WM. H. BALDWIN FREDERICK L. SIDDONS S. W. WOODWARD MISS MABEL T. BOARDMAN Social Betterment Committee GEO. M. KOBER, Chairman JAMES B. REYNOLDS Wм. F. DOWNEY WHITEFIELD MCKINLAY EMMETT L. ADAMS MRS. THOMAS T. GAFF MISS MABEL T. BOARDMAN Indoor Occupations Occupations Involving Exposure to Irritating Dust. Vegetable Dust Textile Industries Animal Dust Occupations Involving Exposure to Infective Matter in Dust... Rag, Paper, Wool and Hair Industry.... Occupations Involving Exposure to Poisonous Dust-Lead Dus The Lead Industry in Massachusetts.... Printers, Type Founders and Typesetters. Arsenical Dust Occupations Involving Exposure to Irritating or Poisonous Gase Sulphur Dioxide |