Frederick William Lanchester, Aerodynamics, constituting the first volume of a complete work on aerial flight… (1906)
“ Efficiency, of propulsion, § 198; of screw propeller, § 206 Efflux theory, § 95 et seq.; in its relation to pressure on a normal plane, § 140 Elasticity, influence of, on resistance, § 55; as defining pressure-density relation, § 58; influence of, on power expended in flight. App. I. Electro-magnetic analogy, App. VI. Energy, expended in fluid resistance, § 40; kinetic, in system of flow, § 81; kinetic, in ψ, φ, squares equal, § 81; of the fluid surrounding a cylinder in motion, § 83 ”
