Lemon battery Lemon battery A lemon battery is a simple battery often made for the purpose of education. Typically, a piece of zinc metal (such as a galvanized nail) and a piece of copper (such as a penny) are inserted into a lemon and connected by wires. Power generated by reaction of the metals is used to power a small device such as a light emitting diode (LED). The lemon battery is similar to the first electrical battery invented in 1800 by Alessandro Volta, who used brine (salt water) instead of lemon juice. The lemon battery illustrates the type of chemical reaction
Sea Lion (battery-electric locomotive) Bear", using the frames of 1953-built Wingrove & Rogers loco no. 5031, which has been used at Amberley as a spares donor. The replica would be built initially as a static exhibit, with the potential for it to be made operational. Sea Lion (battery-electric locomotive) Sea Lion was a 2-foot gauge battery-electric locomotive built by Wingrove & Rogers in 1921 as works no. 313 for the Groudle Glen Railway on the Isle of Man. Together with its sister, "Polar Bear", it was intended that they would replace two Bagnall steam locos of the same names. However, the battery locos were