Sōkō conservation for oversized sketches by Sorolla

Sorolla sketches represent the spontaneity, the genius and the creative stage for its own right. Their conservation shares with them this essentiality, the minimal intervention character. The restoration has adopted japanese tools and techniques, a paper conservation at the most eastern style. Or not that utmost, since the Karibari was replaced by a wooden board. Eastern or western, the restoration of the gouache sketches has been truly remarkable, and you’ll have to read it to know why. Continue reading

Hold on and suck in, Miss Scarlett!
Removing a plastic corset from a manuscript

A personal story, a historic manuscript, a crazy laminating machine and a final outcome. We’ll discuss about synthetic polymers, sorts of laminations and encapsulation. All these ingredients are seasoned with PFTE, TFA, HFIP, PE, DMSO, PET… cling, dong and BOOM!… An explosive -but most irresistible- cocktail. Continue reading

The diplomatic neutral colour

What is a neutral colour?
Is it a pH=7 colour? A transparent colour? Greenish… brown? An oil colour… or maybe acrylic?
Conservators mean by it: “I will paint the missing area with a single colour which you won’t see much”. It can be green, purple, pencil coloured or either with acrylic paints… Controversial is on the cards and whatever we do, even when not doing anything at all, conservators know that our decision will not suit everyone’s taste. Continue reading

This document will self-destruct in 30 secs!

Or how to remove pressure sensitive tapes, without removing them We have spoken about bibliopaths, about misuses and how to eradicate its effects… But, what happens when the artefact itself causes its own degradation? It’s not a spy movie’s myth: … Continue reading

Posters conservation: virtual inpaint vs “virtuous” retouching

The bike riders from Sants reached my studio squeaking, rather than cycling!
Tears, foxing, discolouration, brittleness, acidity… All these damages have been carefully restored in order to let the splendorous riders finish line at the Municipal Archive of Barcelona. They are almost centenarian… and yet they ride wild along the repository! I’ll explain which beauty and health treatments these illustrated posters have passed through Continue reading

New conservation methodolgy to retrieve lost flexibility to brittle tracing papers

Approach to a new methodolgy to retrieve the lost flexibility to brittle papers.
Tracing papers -so usual among technical drawings- have in common their transparency, but there are significant differences in the process to make them. The properties and behavior will be very different then. Impregnated papers, for an instance, were applied oils or varnishes to provide them translucency.
Explanation restoration of several drawings in which the varnish was removed to replace it later. Continue reading

Conservation of school poster from spanish civil war period

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.
Removing the old varnish has allowed to repare other minor damages: tears, gaps and wrinkles. But most important is that the new varnish is not oxidizing nor yellowing. As it is very flexible it will not crack in the future. Continue reading