Ureometer, and various urinary test tablets, United States, 1886-1929
1886-1929
Doremus ureometer with standing foot
1900-1980
Doremus ureometer with Hind modification
1900-1980
Doremus Ureometer
1900-1980
Dr Squibbs type ureameter
1850-1920
Ureometer, Doremus-Hind
1900-1980
Esbach's ureometer with wooden case
1900-1980
Doremus ureometer without stand
1900-1980
Doremus ureometer with Hind modification
1900-1980
Southall’s ureometer, Birmingham, England, 1860-1910
1860-1910
Gerrard's Ureometer
1900-1980
Gerrard's Ureometer
1900-1980