| Show AN AItT I Fi L Although t thi hI vacuum b by which I showed no absorption of 01 X rA ray It a beautiful ion In hi a 1 dark roost till lark tUbe three long Ion find and eight t In he I Ide WitS filled with r roseate light which wavered 11 hie the lights V lii III n II lilt th C ti hs M emitting thi X rays Jr Ihl tt linger wa brought near the lIte glue wall wail of the Ibe cylinder II a I stream t In of light lIht I from II a point n thi th In inside wall ut lb Ih cylinder The thus thull had I tr giving an Image Ime of It I II 1 though th han was wall invisible I Tile Those or of light could bt be dl tn In Any b by the hand or b by any ny near and andI I If gaS 11 K a lId 11 1 ot of how boW the of th the aurora can be II t by tb II flitting I of conductIng I or tho drifting of moisture I laden Iden strata ot of air below the space In which the beams of 01 the north Orn cm light dart darl balk bak and forth Sloth In inthe the case of lbs Crook tube And th the aurora Ih streamers are by electrical discharges l through rare air The experiments show that thai outside the Crook tube there I a strong n and lion alan which I Is only revealed In dark flesh and In a cold lifeless Irl P welt such u as exists its and the sun Ilin Can W we not t extend our thoughts from the onh ot of this laboratory experiment to 10 that ot of the immensely greiter r pIa play of oC ele electrical forces between the earth and the sun lIun I across aroll the Immense vacant ant space pace ninety of 01 mil miles In distance I I II |