Abstract: A bidirectional web medium drive for moving a web of material such as a roll of microfilm between two reels consisting of a pair of reversible motors coupled through irreversible drives to corresponding spindles which receive and support each of the film reels. A torque controller is coupled to one of the motors for applying a constant output torque to that motor while a variable speed controller is coupled to the other motor for controlling the output speed of that motor. In one embodiment, a switch is provided so that when the switch is in a first position, the torque controller is connected to one of the motors to apply a constant torque to its spindle so that its associated reel becomes the take-up reel while the speed controller is connected to the other motor so that its reel becomes the supply reel and both motors rotate in the same direction.