Airframes
Benevolens Magister
Sounds like you've got turps substitute Daniel, aka white spirit, which is fine. Real turps has a feint blue cast to it, and is not seen much these days - most of the stuff is white spirit, which is clear, and very common as a thinner, brush cleaner etc dfor decorating, from DIY stores etc. It's what I use, in a 2 litre bottle for about £3 or £4, and isn't much different from the Humbrol thinners, which is s more refined example (or was!).