\vbox{\line{\hfill \diagram{\xaxis7truecm,75.0,100.0,5.0,$T$ [K];\nogrid \yaxis4truecm,1.05,1.25,0.05,% $1/\chi_{\rm m}\cdot10^{-6}$ [kg$\,$m$^{-3}$];} {\connect{\symbol4 \point99.6,1.234;\point97.6,1.213;\point95.5,1.193; \point93.4,1.171;\point91.4,1.151;\point89.3,1.131; \point88.2,1.120;\point87.5,1.113;\point86.1,1.102; \point84.1,1.082;\point83.2,1.090;\point82.7,1.094; \point81.4,1.113;\point80.8,1.123;\point79.6,1.145; \point78.7,1.161;\point77.8,1.181;\point77.1,1.195;}} \hfill} \medskip \noindent{\bf Figure 15. \rm Reciprocal magnetic susceptibility (measured at a magnetic flux density of 0.75~T) of superconducting Tm$_{0.75}$Sc$_{0.25}$Ba$_2\!$Cu$_3$O$_{7-x}$.}}