In horology, a maintaining power is a mechanism for keeping a clock or watch going while it is being wound. ==Huygens== The weight drive used by Christiaan Huygens in his early clocks acts as a maintaining power. In this layout, the weight which drives the clock is carried on a pulley and the cord (or chain) supporting the weight is wrapped around...
Found on
http://en.wikipedia.org/wiki/Maintaining_power
An auxiliary power source to keep a clock or watch running whilst it is being wound. Â John Harrison first applied it to watches; Â his system was embodied within the cone of the fusee and was gradually adopted (not necessarily on the most luxurious or expensive watches) as the 19th century progresse
Found on
http://www.encyclo.co.uk/local/20450
No exact match found.
