I think that it's been long enough Mike, you might want to let him know about his error. If it isn't too late.
Originally Posted by Mike Cash
I also busted somebody selling a Kodak box brownie, saying it takes 6x9 photos and gets 12 shots from a roll of 120. Neat trick. Four of them must be taken on air. I left a comment to that effect, plus shared the news that the camera uses 116 film, which was discontinued in 1984. Sure, you can shim up 120 film and use it, but this seller obviously knew nothing about what he was selling.
If I remember correctly a 6x7 is around 12 images, although I've never shot one.
I know that 645 are 15 or 16 images, depending upon the camera.