The paintings, which are watercolors on poster board, required a special C- shaped plexiglass frame held together with plexiglass posts. ... Many blueprints were too large for safe mounting, and their surfaces had to be protected from contact with the plexiglass, but even in matts ... Since the chemical make-up of photographic papers has changed considerably over the years, he spent many hours in theanbsp;...
|Title||:||The Library Chronicle of the University of Texas at Austin|