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Digest of Industrial Hygiene . 22.
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502 Seme Problems of War-Tine Labor Management. K.G. Feaelon. Proc. Roy. Soc. Art 21-34 (December 13. 1940).
addition to problems of selection and training of workers and foreman, the
author discusses several phases of Industrial health. The lesson taught by the
previous war, that production 13 decreased by too long houra, has had to bo re learned by sane industries. It has been found that suitable rest pauses In crease production by 5 to 10$. Blackouts interfere with working conditions be cause entrance of daylight into factories is restricted. Boredom oust be f' alleviated by varying occupation or by other means. Welfare work must not only
include Increased service in tho plant, such as Introduction of canteens, but must also extend outside tho plant, on account of bombed hnmosf lock of gas, ant laok of suitable recroatlon.
303 Industrial Lighting In War Tlmo. H.C. Weston. Light & Lighting 33, 178-80 (November, 1940).
Tho use of blackouts (somotlmes called black-ins when referring to covering fac tory windows) has emphasized problems of proper artificial lighting. Tho
(British) Factory Lighting Commission has prescribed the extent of illumination
sufficient for comfort In ordinary work, end has advocated painting fixtures let than 20 feet from tho floor in light colors. Improvements in lighting are dis cussed, including use of fluorescent tubular lamps, and of local lighting where noodod. A copy of the lighting regulations accompanies tho paper.
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504 Artificial Lighting and Eyesight. O.V. Downer. Aircraft Eng., 12, 286 (September, 1940). Defoatlve vision 13 nore widespread today than at any previous period la hlstor, on account of increased night-time activity under artificial illagination, in creased nervous tension and vitamin deficiency in diet. The structure of tbs or end mechanism of sight aro discussed. The essential requirements of really gooi
artificial illumination ore: even distribution, freedom from glare and elimin ation or reduction of shadows. Indirect lighting best attains these qualities, but whoa it is not practicable the lighting should be carried out by coaparatlvt ly largo areas of comparatively low surfaco brightness. Tho color of tho light should approximate daylight. Bye strain can be minimized by occasional periods of looking away from the work. Proper diet is essontial.
Papers on^IndustrlalJPoisona. C<mccr^_Domatltla1_j!to.
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505 Poisoning by Trlorthocreayl Phosphate. B. Staohalin. Schweiz, mod. Wobnscbr. TL, 1.5 (1941). (OermanT Throo groups of trlorthocreayl phosphate poisoning have been observed! (1) In thorapoutlo experiments with creosote-phosphoric; (2) in gingerliquor in the United Statos, contaminated with the substance; and (3) in Apiol, employed os a abortlfaciont, whloh sometimes contains tho substance. The author observed 69 cases of poisoning which wore caused by the orvoneous use of triorthooresyl phosphate lnstoad of edible oil. Immediate and delayed symptoms are described,
the latter being those of the usual progressive paralysis. Atrophies developed accomodation of the oyoswas affected, and although sensation was not disturbed there were pains end fibrillar spams of tho muscles. The brain was not affect od. Tho height of tho paresis was reached in 3 to 4 weeks, and Improvement be gan, progrossing is the opposite direotian, but very slowly, requiring 2 months after tho poisoning in tho least affected patients* Tho point of attack wna tt medullary ehaath of the motor nerves. Abnormal amounts of triorthooresyl phos phate could not bo found in tho excreta. Heat, massage and movement were em ployed in therapy. It has boon shown that 0.15 g. is sufficient to produce a slight poisoning and 0.5 to 0,7 f, a serious one.