Two test tubes
1850-1924
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 10
1907-1912
Glass test tube, from Dr. Wrigley's medicine case
Clear glass test tube with rim painted and red cork stopper through which passes a glass pipette
1861-1930
Test tube, clear glass, European, 1850-1950
1850-1950
Test tube
1851-1900
Test tube
1880-1923
Clear glass test tube containing needle with triangular point and two fine ampoules
1881-1920
Test tube
1870-1923
Two test tubes inside cylindrical leather case
1851-1900
19 glass test tubes
1861-1920
Four test tubes
Test tube
Test tube, glass
Two test tubes
Bag of plastic test tubes
Glass test tube with side arm, English, 1850-1920
1850-1920
Glass test tube with side arm, English, 1850-1900
1850-1920
Set of 6 test tubes
1875-1880
Test tube
1880-1929
Set of 6 test tubes
Test tubes used for sericulture
1880-1920
Set of 6 test tubes
Test-tubes, 5,4 of which have glass caps
Test tubes
Test-tubes, 6,5 of which have glass caps
Test tube, glass partially graduated
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 16
1907-1912
Glass test tube, 1 of 10
1907-1912
Test tube, glass, incardboard case
Test tube, glass, probably English, 1870-1920
1870-1920
Flat-bottom test tube
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 10
1907-1912
Glass test tube, 1 of 10
1907-1912
Test tube for Wassermann test
1901-1930
Test tube
1880-1930
Test tube
1880-1923
Two clear glass test tubes
1890-1930
