Show VENTILATION OF MILLS I enae Imp eetso melee Nrmtary In Morrniful I Rorl I Attention has lately been called to he neeeeiUy In arrangement for dI I entllatlon of mills of a careful study I or the meteorology of Ibo dlitrlct tho I xtremo range of temperature and of olatlvo humidity being Important fat Iou both 1 In dry and wet seasons The maximum ranKs on any day Is I Impor ant also to bo known and Ilkowtio ho male at which humidity In the air may vary In n working day tho fact bring that there are rcarccly two con ecutlio half hours In the day when the atmosphere Is I In Ibo come condl lion that Is It may bo In n perfect state for spinning and weaving at onetime one-time and four hour later may have only ono thhrd of the necessary amount or molsturo required for the purpose of manufacture Again the difference In ho reading of two thermometer wet and dry ha I duo to the rate of evaporation evapora-tion of water from muslin led around one bulb If the air la I very dry Ibo evaporation le I rapid and the cooling Is I In proportion or If I this air Is I molt vnpornllon Is I retarded and I when tho air Is I saturated IA during a fog evap ration stops and 11 there II I no cooling cool-ing cfffct on the wet bulb both thermometers ther-mometers will read alike It appear t lint aomo humidifier that have done twell well In Knnland have liven failure In India Tho moon difference of tern perlluro of the air In India and In ling and Is I roughly 30 degree F so that ompirlng the nmount of water roo ulred 1 to naturnto nlr at C2 oath at 112 at tho higher Umpcraturo U ekes Just C5 hose aa much water for the pur polo In India ns In Kngland |