Binnacle -

: On modern sailboats, the binnacle often doubles as a pedestal for the steering wheel and houses electronic chartplotters, depth sounders, and engine controls.

If you'd like to refine this into a more formal research paper, I can help you: Add a detailed of magnetic compensation. binnacle

: These spheres act as "compensators" to neutralize the magnetic interference from the ship’s own hull. : On modern sailboats, the binnacle often doubles