SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 63, NO. 1, PL. 42 



OPEN AIR DINING HALL. DR. WALTHER'S SANATORIUM. NORDRACH-COLONIE, BLACK 

 FOREST, GERMANY 



LAWN CUTTING.' ^GRADUATED LABOR IN PULMONARY TUBERCULOSIS. SANATORIUM OF THE 

 BROMPTON HOSPITAL, FRIMLEY, ENGLAND 



