Marine & Pocket Chronometers. History and Development

Marine & Pocket Chronometers. History and Development
Autor:BERTELE, Hans von
Páginas:310 págs. págs.
Fecha:1991
Precio:187,00 €

The Problem of Longitude. Forerunners of the Mechanical Chronometer. The Heroic Epoch. Sea Travel & Geographical Discovery. The Epoch of Fine Mechanics. Offcial Evaluations: Competitions, their Certificates and Certification, Testing Organization & Regulations. Chronometer Development in the 20th Century. Tourbillons & Carousels. Bibliography.