Pyrex ® test-tube, and 0.4ml pipette dropper
Test-tube, Pyrex ®, England and 0.4ml pipette dropper, unsigned, British, 1946-1956. From Inoculation set comprising two white enamelled metal trays, one wooden stand for test tubes, three glass tubes with two pipette droppers, two short glass test tubes and one screw top glass jar, used as part of medical procedure at the Common Cold Research Unit, Harvard Hospital, Harnham Down, Wiltshire, England.