Question

In which year lactometer was invented

Answer 1

✴ Hy here is the answer...

Hypatia is given credit for inventing the hydrometer (or hydroscope) in the late 4th century or early 5th century.

Answer 2

Lactometer was invented in early 4th century or 5th century.

★彡[Hσρє iт нєlρѕ уσυ]彡★