School and Industrial Hygiene |
From inside the book
Results 1-5 of 16
Page 13
... close or badly - lighted rooms ; or study may be in excess of the powers of the system . Such points as these will receive our present attention . 2 E CHAPTER II . EMOTIONAL AND MENTAL STRAIN . MOTIONAL GENERAL REMARKS . 13.
... close or badly - lighted rooms ; or study may be in excess of the powers of the system . Such points as these will receive our present attention . 2 E CHAPTER II . EMOTIONAL AND MENTAL STRAIN . MOTIONAL GENERAL REMARKS . 13.
Page 30
... close at- tention ; let the work be unfamiliar , not beyond his comprehension , not too interesting , and let him see how soon his mind begins to flag in the effort to master the text , as if it were a lesson to be recited . He will ...
... close at- tention ; let the work be unfamiliar , not beyond his comprehension , not too interesting , and let him see how soon his mind begins to flag in the effort to master the text , as if it were a lesson to be recited . He will ...
Page 46
... membranes of the spinal cord at the level of the shoulders to have been thus caused . In a long session , there should be a pause at the close of every hour , in which the scholars should 46 SCHOOL AND INDUSTRIAL HYGIENE .
... membranes of the spinal cord at the level of the shoulders to have been thus caused . In a long session , there should be a pause at the close of every hour , in which the scholars should 46 SCHOOL AND INDUSTRIAL HYGIENE .
Page 47
David Francis Lincoln. close of every hour , in which the scholars should be allowed to go out of doors . A short session of three hours may require only one pause , which should , however , be of twenty or thirty minutes , in the case ...
David Francis Lincoln. close of every hour , in which the scholars should be allowed to go out of doors . A short session of three hours may require only one pause , which should , however , be of twenty or thirty minutes , in the case ...
Page 50
... must be remembered that some chil- dren are looked upon as near - sighted because they have the habit of holding their work too close to their eyes . This habit may arise from the very. 50 SCHOOL AND INDUSTRIAL HYGIENE .
... must be remembered that some chil- dren are looked upon as near - sighted because they have the habit of holding their work too close to their eyes . This habit may arise from the very. 50 SCHOOL AND INDUSTRIAL HYGIENE .
Other editions - View all
Common terms and phrases
adult allowed Amherst College amount Astigmatism attend Aurist better body boys brain causes cent CHAPTER chest chil child classes Cloth danger deformity desk-lid Diphtheria disease distance dren duty dyspepsia edge Edition Edwin Chadwick effect excessive exercise eyes fact fatigue feet foot-rest fresh air girls give gymnastics habit Health Primers heat height Hospital Hygiene Illustrations inches injury Jefferson Medical College labor large number light lumbar vertebræ Manual meals Medical College mental mind muscles myopia near-sight Nurses objects Obstetrics oculist person Philadelphia physician play poisonous position practical prevent Professor public schools pupils rest retina Rush Medical College scholars SCHOOL-DESKS AND SEATS school-life school-rooms shoulder-joint shoulders sitting sleep spinal curvature spine suitable teach teacher tendency thing three hours tion University of Pennsylvania ventilation vigorous women writer's cramp writing young
Popular passages
Page 134 - A child, young person, or woman, shall not be allowed to work between the fixed and traversing part of any self-acting machine while the machine is in motion by the action of steam, water, or other mechanical power.