Glass test tube with hole in bottom
1850-1920
Test tube for Wassermann test
1901-1930
Glass test tube with side arm, English, 1850-1900
1850-1900
Test tubes used for sericulture
1880-1920
Test tube, with bung and glass pipe
Test tube
1850-1900
Test tube, clear glass, European, 1850-1950
1850-1950
Two test tubes
Set of 6 test tubes
1875-1880
Glass test tube with side arm, English, 1850-1900
1850-1920
Eighteen clear glass test tubes
1891-1930
Test tube
1851-1900
Bag of plastic test tubes
Test tube
Test tube, glass
Clear glass test tube with rim painted and red cork stopper through which passes a glass pipette
1861-1930
Two test tubes inside cylindrical leather case
1851-1900
Set of 6 test tubes
Two test tubes
1850-1924
Test tube
1870-1923
Four test tubes
Test tubes
Glass test tube, from Dr. Wrigley's medicine case
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 16
1907-1912
Test tube, glass, probably English, 1870-1920
1870-1920
Glass test tube, 1 of 10
1907-1912
Test tube, glass, incardboard case
Test tube
1880-1929
Test tube, glass partially graduated
Set of 6 test tubes
19 glass test tubes
1861-1920
Glass test tube with side arm, English, 1850-1920
1850-1920
Glass test tube, 1 of 16
1907-1912
Test tube, glass, in cardboard case
Test tube
1851-1900
Test tube glass
1880-1940
Test tube, glass, partially graduated
Test tube containing photographic film
Set of glass tubes in aluminium contained inside aluminium sterile case
1901-1940
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 16
1907-1912
Test tube
1880-1923
Set of 6 test tubes
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 10
1907-1912
Glass test tube, 1 of 10
1907-1912
Glass test tube, 1 of 10
1907-1912
Glass test tube, 1 of 16
1907-1912