School and Industrial HygieneP. Blakiston, 1880 - 152페이지 |
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21개의 결과 중 1 - 5개
36 페이지
... light apparatus ; at least , in the commencement . The word " calisthenics " implies the imparting of strength and beauty . There is a proverb that " beauty is but skin deep ; " a very superficial view , indeed . Beauty of form is not ...
... light apparatus ; at least , in the commencement . The word " calisthenics " implies the imparting of strength and beauty . There is a proverb that " beauty is but skin deep ; " a very superficial view , indeed . Beauty of form is not ...
39 페이지
... no appa- ratus being required for the lower grades , and only a few light implements carried in the hands for the more advanced pupils , and each scholar needing only space enough upon the floor for a step in each EXERCISE . 39.
... no appa- ratus being required for the lower grades , and only a few light implements carried in the hands for the more advanced pupils , and each scholar needing only space enough upon the floor for a step in each EXERCISE . 39.
45 페이지
... regards calisthenics of a very light description , performed daily once or twice , for relaxation more than for development , the ordinary teacher is per- fectly competent to perform and teach them . I will EXERCISE . 45.
... regards calisthenics of a very light description , performed daily once or twice , for relaxation more than for development , the ordinary teacher is per- fectly competent to perform and teach them . I will EXERCISE . 45.
49 페이지
... light , at the distance of forty inches , and at all intervening distances down to four inches : this is a very moderate test for young eyes . Any child who cannot read it as far as fifteen inches off should have his eyes examined by a ...
... light , at the distance of forty inches , and at all intervening distances down to four inches : this is a very moderate test for young eyes . Any child who cannot read it as far as fifteen inches off should have his eyes examined by a ...
50 페이지
... light from a distant object com- ing to a focus on the retina ; while the dotted lines represent a near - sighted eye , with rays from a very near object coming to a focus . In near - sightedness , rays from distant objects may be ...
... light from a distant object com- ing to a focus on the retina ; while the dotted lines represent a near - sighted eye , with rays from a very near object coming to a focus . In near - sightedness , rays from distant objects may be ...
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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
인기 인용구
134 페이지 - 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.