1) Style of truck 
The Tribelhorn was a Swiss electric car manufactured from 1899 until 1919 in Zurich. Production began in earnest in 1902; three- and four-wheelers were offered. The company also produced trolleytrucks that were used in Gümmenen and Mühleberg Switzerland between 1918 and 1922 during the construction of a dam. It produced only light utility vans a...