Sikes hydrometer, by Buss, 48 Hatton Garden, London, EC, England, 1901-1940. Sikes hydrometer, by Buss, 48 Hatton Garden, Londo Laboratory Medicine 1901-1940
Brass hydrometer, with thermometer lacking weights, in case Brass hydrometer, with thermometer lacking weights Laboratory Medicine
Urinometer set in case by Durrock, for diabetes, owned by Richard Davy at the Westminster Hospital, C 1900 Urinometer set in case by Durrock, for diabetes, o Laboratory Medicine
Clarke hydrometer in case with thermometer, collars and weights, incomplete with cuckoos, made by Dring and Fage, 248 and 20 Tooley Street, London, England, 1840-1920. Clarke hydrometer in case with thermometer, collar Laboratory Medicine 1840-1920
Clarke hydrometer in case with collars and weights, made by Dring and Fage, 20 Tooley Street, London, England, 1840-1920. Clarke hydrometer in case with weights Laboratory Medicine 1840-1920
Clarke hydrometer in case with weights and collars, incomplete, with cuckoos, made by Dring and Fage, 20 Tooley Street, London, England, 1840-1920. Clarke hydrometer in case with weights and collars Laboratory Medicine 1840-1920
