A treatise on hospital and asylum construction; with special reference to pavilion wards . ve the fan with little attention. The sizesof these motors vary from one-half H. P. up; itbeing seldom that one of greater than two and one-half H. P. capacity is needed. Such a motor will revolve a fan 42 in diameterat a speed of 250 revolutions per minute, and move7,079 cubic feet of air per minute. This speed maybe increased, and the air moved will be increased inproportion. The care of the fan and motor can beeasily undertaken by any one possessing ordinaryintelligence as it can be made self oiling,
A treatise on hospital and asylum construction; with special reference to pavilion wards . ve the fan with little attention. The sizesof these motors vary from one-half H. P. up; itbeing seldom that one of greater than two and one-half H. P. capacity is needed. Such a motor will revolve a fan 42 in diameterat a speed of 250 revolutions per minute, and move7,079 cubic feet of air per minute. This speed maybe increased, and the air moved will be increased inproportion. The care of the fan and motor can beeasily undertaken by any one possessing ordinaryintelligence as it can be made self oiling, and theamount of time needed to keep it in order shouldnot exceed one hour per week. Of course, in hos-pitals Marranting such an expenditure, or in insti-tutions of any size where the funds for constructionwill admit, an entire electric plant may be put infor furnishing this power and light. P)Ut if the institution is a small one and thepower is bought at a stated price per horse powerper month, it can be utilized, besides running thefan, for turning the washing machines in the laundry. J- o — X ^ ^ rt X :- r^ > o c O o Pi , Tl OS c ?J^ rt a. W) pLn Ph O <D X < O a; C riO ^ \ \ \ 153 MOSPITAU AND ASY-Ij^M CONSTRUCTION. \ and running the sewing- macliines in the sewingroom. Tliis of course would be accomplished at aslight expense 1)} means of a counter s ~ft andpulleys. Heretofore it has been the cusl u dsoto decry the fan as a means of ventilation becau itwas claimed that sufficient appropriations for I ^p-ing it constantly running and for repairs wouIj. becut down by parsimonious boards having charge ofpublic institutions and that when it fell into disusefrom neelect of lack of funds there would be noventilation. AVhile this was to a certain extent true, alldanofer of this kind has now been removed and thesubtile electric current can be depended on to do itswork night and da}^ with all the regularity thatcould be desired. Xo one who has used the fan for ventilatinga
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