Industrial design means first it works, then it is also pleasing.
Standard wood pencil. You know what it is, know how to use it. Never equaled.
Eames chair,. Parsons table.
Jaguar XKE, If a car can be sexy, it is, though I think the original Rabbit/Golf was superb.
Zippo lighter. It just works.
DC-3. If a child draws an airplane, it will look like the Gooney Bird.
Braun and B&O, had many successful designs. They did not make the controls impossible to see or use. The old Sony table radio. Classic.