Because each model was a fragment.
Calculus adjusted his hearing aid, which promptly whistled. “UN? That’s not a standard prefix for any navy, Tintin. But… wait.” He shuffled to a shelf and pulled out a crumbling registry: Royal Shipwrights’ Ledgers, 1670-1695 . The Adventures Of Tintin Secret Of The Unicorn Serial Number
Tintin smiled, closing the folio. “Sometimes, Captain, that’s the only treasure worth finding.” Because each model was a fragment
Captain Haddock paced behind him, puffing on his pipe like a locomotive. “Thundering typhoons, Tintin. We have three parchments. We know they point to the wreck. What more is there?” That’s not a standard prefix for any navy, Tintin
The next morning, he visited Professor Calculus. The half-deaf genius was calibrating a new ultrasonic depth-finder. “Calculus, does ‘UN-7’ mean anything in naval history?”
Tintin’s heart raced. “Chart?”
“Everything,” Tintin murmured. He gently lifted the mainmast. A tiny, almost invisible engraving caught the lamplight. “Look here, Captain.”