What energy product did Bridgeport, Connecticut, inventor Harvey Hubbell patent on August 11, 1886?
An electrically-operated scarecrow that twitched to frighten away birds and administered a shock to those stubborn ones that landed on it.
An electric-powered cooking stove.
The first electric light socket featuring an on-and-off pull chain.
Sorry! The correct answer is 3. The first electric light socket featuring an on-and-off pull chain. (George B. Simpson of Washington, D.C. patented an electric range he called an "electroheater" back on September 20, 1859).
