Haemaglobinometer, Gower, in leather case, by Hawksley of London, 19th century Haemaglobinometer, Gower, in leather case 1801-1900
Sahli(?) haemaglobinometer set in leatherette case, supplied by C. Baker, London, English, 1891-1930 Sahli(?) haemaglobinometer set in leatherette case