‘jet engine’ historical pictures (exact matches)

Early jet-powered aircraft
Early jet-powered aircraft
The South Essex Water-Works, testing the One-Inch Jet at the Engine-House, Grays
The South Essex Water-Works, testing the One-Inch Jet at the Engine-House, Grays
Flying Firsts: Heralds of the Jet Age
Flying Firsts: Heralds of the Jet Age
Project Thrust
Project Thrust