The microwave cooking without water was performed with a Panasonic 9. The ingredients would be cooked using a variety of processes, including extrusion processing, drum drying, pressure cooking, microwave cooking and infrared cooking techniques.
For an item to be an antique it has to be at least 100 years old. Read the differences between antique, vintage, and collectible item for more information. The Wedgwood Company keeps thorough records of all the designs they produce.
As Michael points out, the word antique generally refers to an older object valued because of its aesthetic or historical significance. This loose definition applies to how we use the word in the title of our show.