• 39 obsolete technologies that will baffle modern generations Amazing retro gadgets you can buy that will remind you of the glory days Technology sure has shrunk over the years: Then and now in pictures

A tiny tractor

A naked CT machine

The world’s last commercial sailing ship

McLaren F1 engine maintenance

A jet engine at full afterburner

The Beluga Airbus

A music typewriter

The massive excavator

Jet engine snowblowers

Just a crane delivery

NASA’s Mars Rover concept

This plane can carry 640 metric tons

Controlling liquid via electricity

A miniature hand-built W-32 engine

A giant NASA wind tunnel

A gargantuan firetruck

A tank hull being cooled after casting

Artillery suppressors