This handbook is designed to be a working tool for the weights & measures official, the equip. mfr., installer, & repairman. It conforms to the concept of the primary use of metric measurements by citing metric units before inch-pound units where both units appear together, & placing separate sections containing requirements in metric units before corresponding sections containing requirements in inch-pound units. Covers: liquid-measuring devices, milk meters, water meters, mass flow meters, liquid measures, graduates, dry measures, odometers, taximeters, etc. Tables.