Hi,
I recently bought a lister d, and in the process of taking it apart to restore and rebuild. First time doing this so learning as I go along. Something I could do with some help with though is the following… inside the part that you would fill with water, there is a large amount of greenish cotton wool type stuff. (Photo attached). I’ve obviously been careful - gloves, mask etc. Is it asbestos? Or something less sinister? When it’s filled with water, I can’t really see why it would be asbestos? Any help appreciated, there is quite a lot of it stuffed down to the bottom!