School and Industrial Hygiene |
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Page 5
... VII . CARE OF THE EYES VIII . SCHOOL - DESKS AND SEATS - IX . - A MODEL SCHOOL - ROOM • PAGE • 7 · • 14 • 19 • 24 • 28 • • · 34 48 64 · 79 85 · • 94 X. - VENTILATION AND HEATING XI . SITE , DRAINAGE , ETC. • M354643 1 *
... VII . CARE OF THE EYES VIII . SCHOOL - DESKS AND SEATS - IX . - A MODEL SCHOOL - ROOM • PAGE • 7 · • 14 • 19 • 24 • 28 • • · 34 48 64 · 79 85 · • 94 X. - VENTILATION AND HEATING XI . SITE , DRAINAGE , ETC. • M354643 1 *
Page 37
... desks . According to Eulenberg , in 92 per cent . ( 276 ) of 300 cases , the curvature was also to the right . It is true that these curvatures are not always associated with public health , since they sometimes occur in a slight degree ...
... desks . According to Eulenberg , in 92 per cent . ( 276 ) of 300 cases , the curvature was also to the right . It is true that these curvatures are not always associated with public health , since they sometimes occur in a slight degree ...
Page 51
... desk or seat , or poor light , and may be continued merely as a habit . And the degree of near - sight is easily over - estimated by those not able to apply the scientific tests of the professed oculist ; for in many cases there exists ...
... desk or seat , or poor light , and may be continued merely as a habit . And the degree of near - sight is easily over - estimated by those not able to apply the scientific tests of the professed oculist ; for in many cases there exists ...
Page 53
... the eyes not allowed to approach nearer than fifteen inches in general to the book or slate . The proper shape and proportion of a desk which will facilitate the fulfilment of these requisitions will be described 5 * CARE OF THE EYES . 53.
... the eyes not allowed to approach nearer than fifteen inches in general to the book or slate . The proper shape and proportion of a desk which will facilitate the fulfilment of these requisitions will be described 5 * CARE OF THE EYES . 53.
Page 63
... desks is productive of congestion and strain in continued study , which is highly prejudicial to sight ; this injury may be avoided easily , comfort- ably , and safely by the use of weak glasses . It is proper to warn teachers of the ...
... desks is productive of congestion and strain in continued study , which is highly prejudicial to sight ; this injury may be avoided easily , comfort- ably , and safely by the use of weak glasses . It is proper to warn teachers of the ...
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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
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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.