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.
2. The pan's size. Before you invest in a quality roaster, determine how big a pan your oven can accommodate. Roasters need 1-2 inches of air space on all sides. If your oven can handle a pan about 16 inches long and 13 inches wide, this is the size to consider. It will accommodate turkeys as well as chickens, which roast best when taking up only about half the pan's floor space. 3. The grip of the handles