I found it through Corsetra's LJ (thank you!) and was so very happy because stumbling on amazing finds like these is almost better than kitties, puppies, popsicles and sunshine!
The museum is located in the vicinity of Barcelona, I believe, and the main page is here: CDMT
But the interesting bit comes here: Database
A huge fricking database, and it is even available in English. I'm so giving my first-born away to this museum.
There are 734(!) images in the 18th century category and many of them are gorgeous, gorgeous, gorgeous! The picture quality is great (although I wouldn't have minded larger sizes, but what the...) and the costumes are very nicely displayed and can often be seen from several different angles as well and...
Why do you read this anyway? Go there NOW!
Just some teasers: