BBCNEWS The Zaks Affair June 4, 2024 02:37:00
When you're working with material, there's always environmental things that interact with the paint. it's, you know, people... people clean their brushes or people's jumpers have fuzzy fibres. yeah. if it's just on the surface, fine. but it actually... where you don't see it here, it's going under the paint. so these particular fibres that we found in the painting were treated with substances that were developed in the early part of the 20th century but were really first commercialised and brought onto the market only after the world wars. being able to identify them was, right there, a very h...