The south-pointing chariot was an ancient Chinese two-wheeled vehicle that carried a movable pointer that indicated south, no matter how the chariot turned. Usually, the pointer took the form of a dol
Exhibit in the Science Museum in London, England. This conjectural model chariot incorporates a differential gear.
An image of a south-pointing chariot from Sancai Tuhui (first published 1609)
Children's instructive toy chariot in Chinese display at Expo 2005 in Japan
An illustration of a differential between the drive shaft (at bottom right) and driving wheels of an automobile
A war wagon is any of several historical types of early fighting vehicle involving an armed or armored animal-drawn cart or wagon.
South-pointing chariot
…compass for navigation and may also have had other purposes. The ancient Chinese invented a mobile-like armored cart in the 5th century BC called the Dongwu Che (Chinese: 洞屋车). It was used for the purpose of protecting warriors on the battlefield, as a kind of mobile protective cart with a shed-like roof. It…
Modern reconstruction of a Hussite war wagon
Medieval depiction of the Hussite war wagon, c.1437