https://www.vice.com/it/tag/johann-bessler/
Johann Bessler Archives - VICE
johann besslerarchivesvice
https://www.uu.nl/en/special-collections/collections/early-printed-books/scientific-works/das-triumphirende-perpetuum-mobile-orffyreanum-by-johann-bessler
'Das triumphirende perpetuum mobile Orffyreanum' by Johann Bessler - Special Collections - Utrecht...
Johann Bessler describes in Das triumphirende perpetuum mobile Orffyreanum (1719), his controversial invention the perpetual motion machine. At Special...
perpetuum mobilejohann besslerspecial collectionsdas