411 REFERENCE · Wiktionary
Gerber tube
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after Niklaus Gerber.
Noun
a type of butyrometer used to estimate the proportion of butterfat in milk
Further reading
en Butyrometer
en Niklaus Gerber
en eponyms
en Measuring instruments