Measures -- See Weights and measures Here are entered works on a system of standard units of measure. Works on the force exerted by the gravitational field on a body are entered under Weight (Physics). --subdivision Weights and measures under types of commodities or merchandise, e.g. Milk--Weights and measures, and headings for units of weight or measure, e.g. Carat (Unit of weight); Cubit
--special measures, e.g. Stadium (Standard of length); and subdivision Measurement under special subjects, e.g. Altitudes--Measurement; Ships--Measurement