This jar used to store an electric charge is credited to both E.G. von Kleist & Pieter van Musschenbroek
Von ... That is 
because credit for the Leyden jar is usually given to Pieter van Musschenbroek of 
Leyden,... [DOC] [TLE] Capacitors  The Physics Hypertextbook [PAR] The first device for storing charge was discovered in the winter of 174546 by two 
... Prussia (now Kamie, Poland), and Pieter van Musschenbroek (16921761), 
...