unit:FT-HR-PER-IN3
quotient of the unit of the mass avoirdupois pound according to the avoirdupois system of units per power of the unit inch according to the Anglo-American and the Imperial system of units with the exponent 3 and unit of the mass avoirdupois pound according to the avoirdupois system of units per product of foot according to the Anglo-American and the Imperial system of units and unit of time hour