SESTREL BRASS BINNACLE MAGNETIC COMPASS, BY HENRY BROWNE & SONS, No. B4/2909L/46, VERY ACCURATE. LOVELY DISPLAY OR COULD BE PUT BACK TO WORK IN A BOAT. I HAVE DRAINED THE FLUID OUT, BUT COULD EASILY BE REFILLED THROUGH BRASS FILLING PLUG WITH WHITE SPIRIT OR SIMILAR TO REGAIN DAMPING EFFECT.
