$\begin{figure} \par\mbox{\includegraphics[width=8.6cm,height=7cm,clip]{4944Fig1a.eps} \includegraphics[width=8.6cm,height=7cm,clip]{4944Fig1b.eps} } \end{figure}$ Figure 1: Left: mean grain size stratification for a plan-parallel AMES (cond) late L-type brown dwarf model atmosphere of $T_{\rm eff}=1500~$ K, $\log~g=5.0$ and of original solar abundance. Right: chemical material composition of the grains in volume fractions of the solids for the same model ( $V_{\rm tot}^{\rm dust}=\sum _{\rm s} V_{\rm s}$ , s - contributing solid materials). Note the upside-down scale of the local temperature T [100 K].
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In the text

$\begin{figure} \par\includegraphics[angle=90,height=6.7cm,width=8.25cm,clip]{4944Fig2.ps} %\end{figure}$ Figure 2: Absorption transmission spectrum (= $F_{\nu }/F_{\rm cont}$ , with $F_{\rm cont}$ as the local continuum flux with respect to the feature) for the model in Fig. 1 with (solid line) and without (dashed line) formation of SiO₂ ${\rm [s]}$ . The absorption feature of SiO₂ ${\rm [s]}$ is centered at $\sim$ 8.7 $\mu$ m.
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In the text

$\begin{figure} \par\includegraphics[angle=90,height=6.7cm,width=8.25cm,clip]{4944Fig2.ps} %\end{figure}$	Figure 2: Absorption transmission spectrum (= $F_{\nu }/F_{\rm cont}$ , with $F_{\rm cont}$ as the local continuum flux with respect to the feature) for the model in Fig. 1 with (solid line) and without (dashed line) formation of SiO₂ ${\rm [s]}$ . The absorption feature of SiO₂ ${\rm [s]}$ is centered at $\sim$ 8.7 $\mu$ m.
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