This is a large brass cased marine barometer, circa 1960 by Sestral, England, advertising the imposing business with a glorious title - 'The Great Grimsby Coal, Salt & Tanning Co. Ltd. Newlyn (&) Penzance'. Set on a polished mahogany backboard.
Overall sizes approx. 268mm square backboard, 200mm diameter brass case, 150mm diameter bevelled glass