The motors drove big cogwheels in the jackshaft over spring-loaded sprockets.
In parkinsonism the rigidity can be uniform (lead-pipe rigidity) or ratchety (cogwheel rigidity).
Following this, a cogwheel system was in use for about twenty years.
Tubes and cogwheels refer to the surrounding industry.
For multiple units, motor coaches and railcars with cogwheel drive there is an additional rule.
The engineering industry was represented by the cogwheels in the crest.
Metal was only used for parts where wear and tear make it unavoidable, such as the film pressure plate and the film transport cogwheels.
Along the outer circumference of the central disc's wreath, white enamelled slots spaced equally on the cogwheel.
