Abstract: A sensitivity disc dispenser including a dispensing structure for housing a plurality of disc-containing cartridges and including structure for simultaneously dispensing a disc from each cartridge through each one of a selected number of discharge ports containing a cartridge in a predetermined pattern. The discs are positioned from these cartridges into alignment with the respective discharge port and a tamping mechanism expels the disc through the respective discharge ports into a receiving dish. Controls are provided on the dispenser for moving each disc into and retaining it in a predetermined position and orientation with respect to a selected discharge port and assuring the directing of each disc in the proper orientation by the tamping mechanism onto a receiving surface.