Show I ELECTRICITY AND AN D OPTICS Dr J Ho hose e of ot lay tayi t I French scientific journal has lias ed cd on an electro optical which besides Its It al ml int ml from tho tIme point of ot view tiow of time retaIl Which are tiro gradually becoming ma nO narrowed between optics anti pl l im ty tI may be able to receive a II number applications In iii describing his bin work time the joan says if IC In lh u it lightly 1 loin big o tion u it 1 current U is I passed for a n long tin tie between gold the r ti of ot anode Is la considerably bl changed ti 81 tiIt It Is found to bo be covered with a lay lart of at hydroxide If It time the charging curro Is hi slopped stopped and time the electrodes s ar Rrt i to n a galvanometer of hh 1 f distance tho tue light will wilt lie Ito found lo to I traversed by hI b u It current of ot C wh h P hI n ii IH is 1111 a unction function of tIme the Illumination of tho time electrode electro ll covered by hy of potential from fromy different luminous to as much ns tim ef t i volt and they hwy depend both t i the color colom anti and time tho Intensity of ot the li l 1 Intense lights lower loner the put i I f this timI element clement The Th violet d i the time light of oC un an ef by n It prism nets acts to White III Sodium lo light and time tho th yellow ellow and imi parts rs of ot spectrum do tb not f I sensible I ln effect lied fled Jt t light Uth AI a d obtained from flom a 1 lithium lame Ionic ante it tug UI month ments the lie electromotive toro fore of ef t elements clell to 0 a 11 value higher than It ci a l in the dark X rays 1118 luve hure a pow poe erful action similar to that of ot vb wb light These Thele widely different actions of 0 nl III anti nd violet Iolet radiations coni Hule CM one J the lie rare cases ascII In which h the th Men parts of ot tho time spectrum act net In III different fashions tush Ions In Tn almost all aU allOt of ofer t ter er optical phenomena time the eff off It II of tI l anti and violet mays lays are nie qualitative In iii ft t Ill 1 saute Hume sense antI and differ r only olly In If It hy by h later studies as ns appears effects proportional U tt t the iau tame s mw ate be he obtained the new lew phenomenon maY mar marbe maYbe be Immediately utilized In the tho ion of ot a II lIot reading r rn n |