The motors drove big cogwheels in the jackshaft over spring-loaded sprockets. Those two motors drove big cogwheels over sprockets spring-loaded on both sides. Those two motors drove big cogwheels over both-side spring-loaded sprockets. Gear graphs are also known as cogwheels and bipartite wheels. This was engaged by two flanged cogwheels mounted on vertical shafts underneath the car. It had models of multiple steam engines, steering machinery, cogwheels etc. Each of those big cogwheels drove a jackshaft. Below the river are two gold colored cogwheels which symbolize the local industry. The engineering industry was represented by the cogwheels in the crest. The cogwheels are for the modern engineering industries. The coat of arms depicts a sailing ship and cogwheels. On the top portion of the shield are three cogwheels that represent industry. The four ton cogwheels at the Old Mill, Perth were hewn from this wood. In 1961 the locomotive was fitted with new cogwheels in the Tschanz drives. This is Thelomeris, city of cogwheels and clocks.