Aerometer for brine

1:10 Aerometer Densimeter for brine is a glass ballasted instrument.
This made it float vertically when it is plunged in a liquid and is used for the determination of density.
This Aerometer is perfect to check the density of brines; the reading of density is carried out, thanks to the wide-scale graduated from 0 to 10, checking the level of the liquid at the graduated notch.
The Aerometer marks the level 0 with water and 10 in a solution of sodium chloride at 10%

Length cm. 31