. The principles of hygiene; a practical manual for students, physicians, and health-officers . ust be back-aired, in orderto insure against the production of foul odors in theunventilated ends of the pipe; and also to prevent theunsealing of these traps. Each story of the school-building should be providedwith suitable water-closets, with automatic flushing ar-rangements. These toilet-rooms should also be providedwith sinks, so as to facilitate maintaining a proper degreeof cleanliness of the hands and persons of the expense of soap and towels to the community is asmall one compare
. The principles of hygiene; a practical manual for students, physicians, and health-officers . ust be back-aired, in orderto insure against the production of foul odors in theunventilated ends of the pipe; and also to prevent theunsealing of these traps. Each story of the school-building should be providedwith suitable water-closets, with automatic flushing ar-rangements. These toilet-rooms should also be providedwith sinks, so as to facilitate maintaining a proper degreeof cleanliness of the hands and persons of the expense of soap and towels to the community is asmall one compared with the detriment occasioned bypermitting the children to come in contact with eachother when some of them are not as cleanly as theyshould be. Desks and Seats.—The height of the seat must cor-respond with the length of the pupils legs below theknees. The seat may be horizontal or slightly back of the seat should be composed of an upper con-cave portion and of a lower convex portion, so as to con-form to the back of the pupil, and it should be of suffi- DESKS AND SEA TS. 279. Fig. 51.—Comparative diagram showing (a) the proper position at adesk; (6) the position when the desk is too low; and (c) the position whenthe desk is too high (after Cohn).
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecthygiene, bookyear1901
