It was replaced by a smaller, electric clock. The electric clock was patented in 1840. An electric clock was standard in 1947. Instrumentation included an oil pressure gauge, an ammeter and an electric clock. His original electric clock patent is dated October 10, 1840. An electric clock was added in 1970. The front has a centrally placed engaged four-stage bell tower with electric clock. The electric clock was fully standardized in all units. He also wrote an article in "Klein's encyclopedia", and developed a type of electric clock. A flashing, electric clock was located atop the tower. LaFayette innovations include the first electric clock in an auto. The next year he described the first electric clock. Efforts to remove the TEC in North America are described at electric clock. An electric clock and two-speed windshield wipers were standard. Alexander Bain, Scottish clockmaker, patented the electric clock in 1840.