The city of Lockhart is named after Byrd Lockhart, an assistant surveyor of Green DeWitt and reportedly the first Anglo to set foot in Caldwell County. Lockhart was the site of a victory of the Texans over the Comanche, at the Battle of Plum Creek in 1840.
To know if you need a travel plug adapter to go to Iceland, you have to consider 3 things : the shape of the plugs, the voltage and the frequency of the current delivered by electrical outlets in Iceland. Here are the shape of the sockets in Iceland, and the the types of plugs used in Iceland : type C.
Plug Type F. Used in: Germany, Austria, the Netherlands and Spain among others (see complete list of countries on the right) The Type F electrical plug (also known as a Schuko plug) has two 4.8 mm round pins spaced 19 mm apart. It is similar to the Type E plug but has two earth clips on the side rather than a female earth contact.