Haemocytometer
1900-1940
Small brass tap and valve on length of rubber (?)
1880-1935
Small tap with valve
1890-1925
Tooth sponge, bone handle, 1865-1900
1865-1900
Binaural stethoscope
1870-1930
Sphygmomanometer enclosed in steel case with spring mechanism
1940-1960
Glass lid
1870-1920
Tubing, red rubber
1890-1940
Binaural stethoscope
1900-1920
Binaural stethoscope
1901-1940