Thomas A. Edison Papers. Electric Generator. In the fall of 1878, after experiments indicated that existing arc light generators were inefficient for incandescent lighting Edison and his chief assistants, Charles Batchelor and Francis Upton, investigated generator design and the principles of electromagnetism.
Stove/Oven Height. When it comes to height, there are some variations. Average heights for a stove/oven combo are either 37.25 inches or 47 inches, depending on the manufacturer. The most common height of 36 inches accommodate standard counter heights.
Ovens can use a lot of energy depending on the temperature set, most cooking is done at 300 to 425 Fahrenheit degrees. Ovens use 1000 to 5000 watts, with an average modern oven using around 2400 watts on medium to high heat.