Thought such things had gone the way of the Ark but no, there they are still for sale
Used to love the clarity of those slides and I still have some tucked away somewhere which were taken back in the 90's of stained glass church windows - Bavarian I believe. They were to be used (but never were) to produce fund raising Christmas card for that particular church, but parochial politics got in the way.
I have not failed. I've just found 10,000 ways that won't work. Thomas A. Edison