Professor Carlson (right) explains his camera-recorder and recorder-camera.
Camera inside which is a hidden tape recorder.
This device is supplied by Professor Carlson along with a tape recorder which conceals a hidden camera. When asked by Maxwell Smart why not just take pictures with the camera and record with the recorder, Carlson replies, "Because my mind doesn't work that way, that's why."
[Episode #40: "The Greatest Spy on Earth.]