Add scan todo

paper/paper.tex

@@ -128,6 +128,7 @@ technique was only feasible for winding by hand, and could not be executed relia
             \includegraphics[width=0.25\linewidth]{figures/klein-spulen-schwingkreise-korbspule.jpg}}
     \end{center}
     \caption{Illustrations of honeycomb and basket-woven coils from the early days of wireless radio.}
+    \textbf{TODO}: Not final graphics. Get proper scans for camera-ready version
     \label{fig_illust_honeycomb_basket}
 \end{figure}