Aircraft crash fire fighting by helicopter
Aircraft-engine specifications
Airplane design and performance improvements since the armistice
Arc-jet propulsion for attitude and orbit control of MORL
Automotive phases of carbon monoxide research summarized
Chemistry applied to railroads
Combustion chambers for rocket engines
Comparison of propellants and working fluids for rocket propulsion
Development of nuclear rocket propulsion in United States
Doping petrol and how to detect it
Effect of diesel locomotive operation on atmospheric conditions in railway tunnel
Electrical propulsion for control of stationary satellites
Employment of electro-chemical deposition in manufacture and maintenance of automobiles
Fabrication of orbital vehicle
Flight reliability in nuclear aircraft