This map is from 1936, spanish civil war was barely breaking. On the restoration proceeding it seems we are restoring also Catalonia itself!!!
This map represents the typical scholar posters: with its wooden slats to roll and hang, lined on the back. It was very common to varnish them with shellac to waterproof and protect them from abrasion. This one was made of two pieces of printed paper, sticked together along the central horizontal stripe. It is from 1936, spanish civil war was barely breaking.
Countless microfissures eroded the formerly smooth surface of the printed paper. The image above, raking lighted, shows how the removing of the original varnish allowed to hydrate the paper again, restoring its elasticity. ...read +