Minivac 601

The Minivac 601 is a portable, battery-operated vacuum pump that was commonly used in the 1960s and 1970s for various applications, including in laboratories for creating a vacuum in experiments and processes. It is notable for its small size and versatility, allowing for easy transport and use in different settings. The device typically features a motor and a diaphragm that creates a vacuum by drawing air out of a chamber.