Charles Rolls

Credit - (c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. 23277)

Rolls-Royce R engine

Credit - (c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No NASM-2A43200-X~A)

Assembly of Rolls-Royce engines

Credit - Library of Congress

Merlin engine

Credit - (c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-1108)

Rolls Nene engine

Credit - (c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-503D)