Here are entered works on the use of laboratory instruments to measure physical quantities and phenomena. Works on the general process of measuring are entered under Measurement.
Here are entered works on a system of standard units of measure. Works on the science of measurement or of weights and measures are entered under Metrology. Works on a quantity taken as a standard of measurement are entered under Units of measurement. 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
