I can't think of any piece of mechanical equipment which could be damaged by storing it the wrong way round!
Is there a right way round? If so, it is news to me. I just stated that I store them vertically because that is they way they fit in the camera bag. By the way, the bases are down because I have the lens hood attached on some of the lenses.
also a Steve
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.