Originally Posted by Photo Engineer
Talking photos had already been established though in a much less elaborate way:
You got from the lab your print with a magnetic strip along the underside. At home by means of a special recorder you could speak a short message onto the photo. Handed to someone with the same apparatus the photo could be listened to so to say.
I got on of these recorders.
Was there anything special on that planned 3D system? Or a plain two-lens 3D-camera but for APS-format?