This was quickly put on a windlass.

With the rope winding on its windlass the boat was slowly hauled through the surge, its occupants being drenched and sprinkled with salt water.
They made their way to the inn of The Three Kings where two men stood watching as they approached.

One of them Jack recognized as the man Slops with the black pipe in his mouth.
"That's him," said the man with the black pipe pointing at Solomon, whereupon the latter was promptly arrested.
"What have I done ?" he asked.
"You'll learn directly at 'eadquarters," said the officer.
Solomon shook hands with Jack and said: "I'm glad I met ye," and turned and walked away with the two men.
Jack was tempted to follow them but feeling a hidden purpose in Solomon's conduct went into the inn.
So the friends parted.

Jack being puzzled and distressed by the swift change in the color of their affairs.

The letter to Doctor Franklin was in his pocket--a lucky circumstance.