Since the MGB had floors and an interior I asked a daughter if she wanted to go for a test drive. She took one look and said no way - its not safe! Really? No seat belts. The car never came with them. I need to figure out some belts. It turns out there were original mounts , but it doesn't appear they have had bolts in them for a very long time.
Seat Belts! Of course - now its been fun to drive.