Show I Working IV to Compute M Mass ass of the Earth r Dr Paul IS It lIel of ot tine the bureau ot of stan standards In 1 Washington Is again b busy y yon on one of ot the mo most t difficult In r I h to to to determine still stilt more DC ac curably the constant of ot bleh In turn will enable scie to sure measure the weight of or the earth and deduct its compo composition lor tor I or several centuries there ha base been experiments In this direction Cut But only 11 last t year Doctor after prolonged an and most delicate expert e succeeded l e In rn giving to the th world a n precise constant of or sra lion tion V O sow ow he Is bent on even eren accuracy The new nosy ot ser will to l e carried on In a n small laboratory 35 feet flet underground l so that tempera temperature lure ture changes es may Ic Ie avoided olde as dl as tt tI c e horizontal attracting forces ot of mo mosing Ing on the earths s surface c It will III tike take se several cral months of tin tiu m st careful work orb with Ith a n torsion orlon to lon bal balan balante ante an e mn massive masque h e steel C lerl and an l tiny gln s s balls to compute and complete It tee l fresh series scriM S of or ob en at ons ans |