Vacuum pump was invented by _____?

ویکیوم پمپ _____ کے ذریعہ ایجاد ہوا تھا؟

Otto von Guericke

Blaise Pascal

Evangelista Torricelli

None of these

Otto von Guericke invented the vacuum pump in the 17th century.

He demonstrated its power through the famous Magdeburg hemispheres experiment.