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Tappan is a brand of appliances, named after company founder W. J. Tappan. [1] [2]Tappan claimed several innovations: 1930s all-porcelain range available in various colors [2]
Percy Spencer, an engineer working for American defense contractor Raytheon, accidently discovered a new use for radar technology in the mid-1940s. While standing near an active magnetron, which ...
A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy (heat) in a process known as dielectric heating .
In 1947, the first commercially produced microwave oven was about 6 feet tall, weighed about 750 lbs, and cost about $5,000 (equivalent to $70,410 in 2024). In 1967 the first more affordable, $495 (equivalent to $4,668 in 2024), and reasonably sized (counter-top) Radarange brand microwave oven was made available for sale, produced by Amana (a ...
The large Aristocrat model featured three ovens and two broilers, weighing 734 pounds. [4] In 1960, a built-in barbecue unit could be added to a cooktop. [8] By 1964, all O'Keefe and Merritt electric ovens had built-in clocks that could be used to turn on the oven, cook for a certain time, and then turn off the oven. [9]
Amana was acquired in 1965 by Raytheon, [7] which had invented the microwave oven in 1947, and introduced the commercial Radarange Model 1611 in 1954. [5] In 1967, Amana introduced a consumer model of the Radarange , the first popular microwave designed for home use.