Equatorial sundial circumscribing a polar dial, both Arabic numerals. For summer months. Brass collar to hold pin-gnomon (missing). Tulip arabesque in four corners of plate. Multi-function, pewter volvelles inset in a shallow well. Compass rose 0-90-0-90-0° every 2° and 5°.
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"Fait & Inue par Charles Bloud ADieppe" on calendar volvelle.