Inventory no. 51369 - Former Display Label
French 'BLOUD'-TYPE (magnetic azimuth) DIAL
c.1660
Ivory and silver; the compass-card printed from an engraved plate. Unsigned and undated.
Includes: la. Universal equinoctial dial and polar dial. 1b. Lunar volvelle and aspectarium. 2a. 'Bloud'-type dial and horizontal string-gnomon dial for latitudes 45° and c.48°. 2b. Rotating calendar scale for setting the 'Bloud'-type dial. The gnomon for the equinoctial dial is missing.
Formerly in the Michel Collection.
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Billmeir Collection