the world > food and drink > food > food manufacture and preparation > equipment for food preparation > [noun] > instruments to test quality (5)
An instrument for gauging the purity of milk.
An instrument or device used to measure the specific gravity or fat content of milk; = lactometer, n.
An instrument for testing the amount of starchy matter, in potatoes, etc.
An instrument for estimating the purity of milk, in which the milk is viewed through the clear part of a glass plate and its colour compared with…
a steelyard for weighing grain.