\vbox{\line{\hfill \diagram{\xaxis8truecm,140.,240.,20.,$T$ [$^\circ$C]; \yaxis11.5truecm,225.,255.,5.,$E$ [mV];\nogrid} {\lsqline{\point239.1,251.06;\point229.5,248.5; \point220.4,246.11;\point211.1,243.71;\point201.6,241.37; \point192.1,239.14;\point182.6,236.9;\point173.1,234.65; \point163.5,232.43;\point154.1,230.29;\point144.1,228.14;}} \hfill} \medskip \noindent{\bf Figure 17. \rm Temperature dependence of the electromotorical force $E$ of the galvanic cell Pt/Ag/AgJ/Te($\!$Ag),Ag$_5\!$Te$_3$/Pt.}}