Hydrometer
Videos
A hydrometer or lactometer is an instrument used for measuring density or relative density of liquids based on the concept of buoyancy. They are typically calibrated and graduated with one or more sca
A NASA worker using a hydrometer to measure the brine density of a salt evaporation pond
A 20th century saccharometer
Alcohol meter to measure ethanol concentration of a water/ethanol mixture, shown in the "parrot head" of a still
Lactometer to measure the density of milk, indicating its fat content
Sorbet
Videos
Sorbet is a frozen dessert made using ice combined with fruit juice, fruit purée, or other ingredients, such as wine, liqueur, or honey.
Hydrometer
…the amount of sugar in a solution, invented by Thomas Thomson. It is used primarily by winemakers and brewers, and it can also be used in making sorbets and ice-creams. The first brewers' saccharometer was constructed by Benjamin Martin (with distillation in mind), and initially used for brewing by James…
Strawberry sorbet
Magnolia sorbet from Canada