Automatic computer-controlled liquid dispenser

An automatic computer-controlled device for dispensing a plurality of fluids in preset amounts, comprising:

• a plurality of substantially identical sets each having a piston-actuated pump, a fluid reservoir, a stirrer within said fluid reservoir, and a flow diversion valve for directing fluid from said reservoir to said pump;
• each of said fluid reservoirs being open to each other through a space common to each of said fluid reservoirs to allow the passage of vapors between each of said fluid reservoirs and said common space;
• each of said sets are in fluid communication with a respective dispensing nozzle;
• means for holding said plurality of substantially identical sets;
• means for moving said pistons of said pumps and said stirrers between two preset vertical positions in unison;
• means for controlling said diversion valve for dispensing;
• and
• means for simultaneously dispensing fluid from any number of said substantially identical sets into a container.