Show between soft and hard vacuum tubes the use of a oft tube in the detector on of the necessary critical ad Justine iU of the ils applied Is own ain due to taw fait alist hirvo bean developed modern boft tubes lie no awre dl hult to limn aw i the tubes the functions of a soft tube fire not cult to un aft stand i and is explained in cadlo in i bleuit arlic as follows if a ichum tube aurius ture ins left alti bulb i sin ill agns gns or if i amount of pis Is introduced into tile tube it Is idowu ds a soft tube if EMI pai tit it of as ls iLin oed the tube q khuu us a hird lube soft lubes anre bulted for ube as detec tori ahey ine nant of alie hilj ment and plate ostape ut once these are foaud tie oft tub inake rv docte tori lie some ins been nuie in de ann kulii su h is tin 00 do not require sie of alto olti Kt hie jollon of n soft tube depends upon life fat ali iti BI i ol tigi the pis in the tube Is pi ic lu a state of loI lobaton aton alun glnn a klinl Is impressed on tir rubt hie p ito nir rent Is laud to due to the 1 in the no af elections bioni to and due to the in nuie nui e la tin of pas 1 11 lilies ulo ul o how a he plate hie Is in chased li lliam two cieus 0 o tint tin change in plate current Is art tier than it would be if no ali occurs dpn a oft lube Is aed 11 detector dt the arld return to alie betl oe tl and of uie ln seid of tax ns Is ilonia win n a 01 A tube Is used for detection th over from u to a lie burc to alter the so as to ant the tle hard aluni tubes aie used as and structure alli alre the sime as the ift he illy that the hue no actis content tubes do not any and will ou from 10 up to the that can safely be on alie tube to the |