[Nhcoll-l] vanishing ink

[ROUILLARD Thomas]

Dear colleagues

We are making an inventory of a fruit collection (jars from 1900-1905) which external labels have turned yellow (in fact brown) ; some are illegible.
Is there a way to reveal the faded ink ?  (chimical or light based)

Thanks a lot


Thomas Rouillard
 
Muséum des sciences naturelles d'Angers
43 rue Jules Guitton 49100 Angers
tel. 02 41 05 48 54 fax. 02 41 05 48 51
thomas.rouillard at ville.angers.fr
http://www.angers.fr/museum

Herbarium - Département botanique
Arboretum Gaston Allard
9 rue du Château d'Orgemont 49000 Angers
tel. 02 41 44 06 84
musee.botanique at ville.angers.fr