riHM,kK <>i. is i7. 



.nl to that of light ; tli. .,u,rr a greater found thai by ;...!.. ..- . *<,. dai \ ... -..., ittani- 



I tinra*iuia figure* on the all of the giotmlar 



t|M *MM 



MM hence employing eon* the intet 

 ^rf moderate 1. n tf t,. II- < mu4ma*a OM 



iver a in i, a triangular or Mjuarr plau aiwi 



i|>lratii% ignaU hav bmn amt idphe rjimartrai4e ai... were .-ru,... : M 

 ituence and hill* do riellaml 



thai l*-nrd ray* art aimply A 

 .* Jb*fc-J.J.Thm.t 

 h.ii.1) IM.il.. 



in I n urn aimeii. ami that, like the calhod* 

 ill. aunif 



. ..r-a.n f.'rr Itftiign. r m the 



that I here > lat baatden a irram eathodie pencil that prodnc 



'hat that Indefinable rath ?.cr *r- 



II,,- DUfMtt .ML ,:,.'". r ..- .- . ,: - _ > - - . ' - ': . . - 



Mine, provided lint the mrati j- *ie that mHal- 



ference between the .-all,,. ight emit the moX inleti 



atomic waight emit th* m.t intettav r* 



-y*. 71< article 



ruximalrly ir< ulnr. itmugu 



td forn 

 the rathndn- o)ind>^ > ilh r>j- 



iffiaw gvoeotMOHiof the rata 

 '.f lleidelberir. In . 

 find, m -Xa- 



.it the rays can n..t u ,,,,, m.t, ami RAotfen highljr toejpau. 



flection : that when i.al II.- oooaidem thai |rt of mrh radial**! i not a 



metal target, UK ,t rtwro- ware motion, but may br elr. 



rtain n-^i--. t.. l.ut that can not u.t.rf. rvnce phenomena the ware length* of Wtot- 



: 'iitgen ray; nnd thnt nirtal - n-n* gen found to range from STOx 



aift out i), .-ing S 



the onee moat eaail? deflect^ I l.v n magm -t. 'Ili,.m. timr* M ma! m thnai obtaingd Hr VjnMrfrir^H 



oOahfaM. 



,-- [nftend] Phikaoph- fra< naer and orti. of the 



.'.' fin-l thnt nltiif.iiiiiin i- m; Vug. 5u regard Ktelgea ra 



al,..l. i .- r<jige*| |-f 



ituated vncuum tut.- m M nmetit n 



mercury vnpor replacea air. The rn Uai ka c i 



i cliargr.1 



acid learea a elatinmi. iwUoe of M!U a. m.. 



mical effect* are iwmle.1 l.y t h,. when the lamf b 



i^ealandria (Paris Academy .-f in tl..- . |.j. 



N im. v. Jim.- H, rt,,,|, ,| ull nll , ..... | U.ly in- lii.-l tl.nt *1 ' r j -r- . i . 1 



I.TI- I 111 ii,.- |'h -f .a!i,.- 1.- r. .%.,-. ,.i,, -I,- rm thai aopear I diffet 'r nonllniri \ >-.., 

 the ha'i alhle bundle Iwing alle to Imtena, 



d. .1 UP into ^vrral diMinrt an. I uiM>|ual lr opeqwe to the U 



bunoW Thee, which he cll ravhridge. in a |*p*r on 



".r 



undle& Tbeee, which he call. "., lr Tk,*r /V^.r/,o -Trowbridge. in a ,-,-r 



rrvenond with limpb de. Tin- Knergy ^ry to praSnoe 



tillaiiona. Berot KAnlgen i. . of the Ameri 



remler) a^-rt that tle ap|rrnt rvfwMon be- dhrbargr h 



tween two parallel cathode beam* an- hen on the point of emitting 



action of the metallic . ati...|.- ray* moat tataawaly b oarillalory. and that ea 



-am and not to mutual action of prujedeil charge encounter* n tiabtini i of lew than fire 

 particle*. The tth remain traight I -n r Nature." Jan. 7) note* that 



*n. n 

 I paralh 1 - Ronlgei-rar lube* flHmld be excited 



,re ultim.. 



ie former fall on a Mir* IUr and \Va 



<-- their ; fiml thai a* exhamtion b toennaid lew 



X ray^: >' ,ry heat b developed in a dbchargv tut*, the nrodur- 



ealhotlp m^|ia.c through a ne^a i IT,- I r charged me- tkw of heat firing way before that of Rontgrn 



.'!.- .y a matfii- 



/Wfer/i^-lUltelli ( 

 -e laM pr..!-. iiiinnei and \tlUnl r BullHin de la Snctete Kmncaiw de 



tcnrtirally nontlefl. ^uiue." l-Oi hare invertigaled the refle< 



l Acadr: r catnnle and KAtitgen mw !h4h find that cathode 



nHerta that all the phenomena ..f two cathode* ran my are not regularly reflected. bat that when their 



' ?un metallic lamina my* baring all 



ifM pntfeM* i -ettba emerge f mm I he oppose f 



great rek* tn. t) he had erallr normal 



