An investigation into the lack of isochronism of spiral hairspring and balance wheel oscillators due to non-linearity of the hairspring

Deviations from isochronism for the osciliating system of spiral hairspring and balance wheel are investigated. Only those deviations caused by non-linearity of the hairspring are considered. It is shown that, in the case of springs manufactured from wire of a circular cross section, the deviations...

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Bibliographic Details
Main Author: Williams, D. M.
Published: University of Surrey 1970
Subjects:
Online Access:https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.477384