Antique aneroid barometer “william cary” 7 pall mall london compensated 1297. William cary aneroid barometer, the silvered dial with altitude. Blue steeled pointer, branded ’surveying aneroid. Compensated 1297, cary, 7 pall. Mall, london’, brass watch style case with scale. Provided for ernest shackleton’s british. Numbered 1322 and was recently offered for. London – 30th march [...]