The Klementinum Mathematical Museum, originating spontaneously from the 2nd half of the 17th c., was opened to the public in 1722 as one of the first museums in Bohemia and even in Europe. Its collections included astronomical instruments, globes, clocks, mechanical toys, or botanical, zoological and mineralogical collections, and of course a library

National Library of the Czech Republic – Klementinum (Entrance A)