As I don't own a 4x5 I'm asking this out of curiosity, not as an advice. If this would have been the dark slide not pulled out fully, would not the dark band have been on the lower side? Picture is upside-down and dark slide goes in from the top. Am I missing something here?
No, you are correct.
"Truth and love are my law and worship. Form and conscience are my manifestation and guide. Nature and peace are my shelter and companions. Order is my attitude. Beauty and perfection are my attack."