By the early ’30s, Powel Crosley Jr had already built cars and radios. His foray into household appliances started with the Icyball, a refrigerator that was powered by kerosene rather than electricity. It was the Shelvador, though, that would make him millions, while an industry eagerly awaited its chance at the same success. The story

Most people know that Alexander Graham Bell invented the telephone in 1876. But did you know that the first public phone was installed in 1878? And it came with a little something extra—an attendant! This was necessary because early pay telephones were not able to accept coins. How it worked was the attendant initiated the