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.
Full Answer. Over-the-range microwave oven designs are often wider than typical countertop microwave models, which are typically anywhere from 18 to 24 inches wide. Wattages for over-the-range microwaves are similar to countertop models, ranging from 600 to 1200 watts.