I saw this in a museum in St Quentin, France.
I'm gonna go out on a limb and guess it's a camera.
Stop worrying about grain, resolution, sharpness, and everything else that doesn't have a damn thing to do with substance.
It looks to be a process camera. Try Googling process camera for pictures and more info.
Process camera. Used for copy work.
The lens, focal length 21", maximum aperture f/10, was made by Ross. The diaphragm control is typical of process lenses mounted on process cameras, and that's what it all looks like.
A process camera. Aren't you glad you asked? Now you need to ask what a process camera is.
Warning!! Handling a Hasselblad can be harmful to your financial well being!
Nothing beats a great piece of glass!
I leave the digital work for the urologists and proctologists.
Glad to know it wasn't a field camera. Can you imagine??????? Wiki gave me enough details after you all identified this as a "process camera" Thanks again. It is a good thing to learn something new.