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Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916

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Assignee: Compagnie des Montres Longines, Francillon S.A.

Location: CH
No. of patents: 1

Number	Title	Issue Date
5023849	Astronomic timepiece and disc intended for use therein The invention concerns an astronomic timepiece enabling a simple display of the daily value of an astronomic magnitude having an annual cycle. The timepiece comprises a month disc (13), at least a portion of which is visible through an opening (19) provid...	06/11/1991