stop functioning. The observation of the Tribunal js not supporled by aly maLcrial -1-T^.^.?:..yr*"'iJ'..,ii,i! bur a prcsumprion. Admittedly photo Copiers would function o.,ty- o., the principles of trlectronics and is_i rl.* i""..riio.r-; ;;, hled of Electronics. Though the photo Copiers ar" "r"J io.',riirlg multiple prints of a master copy, it cannot be equated to a Oufiicating Machine. In dupiicating Machine reduction ;r;;;.;;;r.or.rhe print of the master copy is not possible whereas in the.nodem Xerox machines l1?^A1:1"":copy print ...t" ."p..a""Jaby contrasting or enrargement. F\rther in the Duplicating machines I "., Cv.to"ivl. copies of any document cannot be p.oari".a.--it. ..;;;,t;;i; typed stencit onty has to be first typed by cutring " "4";;ii;;:"ch can be used for making copiei, whereas i"-x.."* machines we can used any document irrespective "f i," .#'u"i colour lor taking - copies. Thus it shows that there is " l"1 li'aiif.r"nce between Duphcating Machine and photo C"pi". ifr". statement showing functional differences of Duplicating'-1.f._." and photo Copiers are annexed in the material p"p"." fo-, .."dy ."f....r"".,,