HOW TO MEASURE HU HUMIDITY device that la Is satisfactory consists Conil tt of combination of two thor mo mome and vessel of water you tou do riot not him have to invest in a barometer or expend your personal colp turo by hurrying to ilia nearest oto lob y whether nt n drug store ov or at tt a weather bureau to ascertain th ill degree of humidity prom from power one gets cef this hint the instrument in tile tha bit renu reau kiosk marked relative humidity li Is supposed to show tho ilia percent ngo by weight of 0 water vapor in tho ilia ner por per cent being when len ilia lie atmosphere con hold no more in tho ilia forin of team tho the weight of that hat tile the atmosphere la is of holding Is in dependent on and increases Inc with nn an increate of ilia temperature tho the tie notion of this hydrometer hydro inetor depends on tho the expansion and contraction in length of 0 a hair or fiber OB as it increases or do creasor lu in moisture content another device for or mon suring tho ilia relative humidity la Is a combination con slating of two to ordin ordinary itry thermometers ono a having ilia bulb covered mill a wet cloth or ft a wide wick extending into n vessel of water in tho the use of this in tho ilia wet bulb and the dry bulb temperatures are token it they are ilia fomo aume tho the humidity la is per cent but when there la Is a i it Is necessary to consult tables in order to obtain tile humidity