A CLOSER LOOK AT IRON GALL INK BURN

Dealing with the problem of iron gall ink burn, the authors studied th e relevant technical literature and then asked by correspondence 26 re storers from 9 countries (Belgium, Canada, Denmark, France. Hungary, I taly, the Netherlands, United Kingdom and United States) for their opi nion, experience and their attitude to the problem. Quite great discre pancies were to be stated, regarding not so much the scientific unders tanding description of the phenomenon but such fundamental questions f or practical treatment as working with water or avoiding aqueous treat ment.