A rare 16th-Century brass circumferentor, signed P. DANFRIE. F A ROVEN 1558 , the circular base plate with outer scale divided [0°] - 45° - [0°] in one degree increments four times, surrounding a scale showing the names of the mediterranean winds in Italian TRAMONTANA , GRECO , LEVANTE , SIROCCO , OSTRO , GARBINO , PONENTE and MAESTRO , surrounding a compass rose marking SEPTENTRIO , ORIENS , MERIDIES and OCCIDENS , the cardinal points shown by arrows between finely engraved eagles heads, the secondary points by arrows in the form of buds between foliage, the compass with engraved rose labelled with the initials of the Mediterranean winds T , G , L , S , O , G , P and M (later needle) , the cover with engraving depicting David slaying Goliath, the ring around the compass with engaved ropework border, three arms with bevelled edges, engraved foliate decoration and slit sights, and tangential rule attached by two arms cut and engraved in the form of facing griffon heads, the rule with slit sight, the sights arranged to form two perpendicular alidades -- 66in. (15.7cm.) diameter, the rule 6.13/16in. (17.3cm.) long See Colour Illustration and Detail
A rare 16th-Century brass circumferentor, signed P. DANFRIE. F A ROVEN 1558 , the circular base plate with outer scale divided [0°] - 45° - [0°] in one degree increments four times, surrounding a scale showing the names of the mediterranean winds in Italian TRAMONTANA , GRECO , LEVANTE , SIROCCO , OSTRO , GARBINO , PONENTE and MAESTRO , surrounding a compass rose marking SEPTENTRIO , ORIENS , MERIDIES and OCCIDENS , the cardinal points shown by arrows between finely engraved eagles heads, the secondary points by arrows in the form of buds between foliage, the compass with engraved rose labelled with the initials of the Mediterranean winds T , G , L , S , O , G , P and M (later needle) , the cover with engraving depicting David slaying Goliath, the ring around the compass with engaved ropework border, three arms with bevelled edges, engraved foliate decoration and slit sights, and tangential rule attached by two arms cut and engraved in the form of facing griffon heads, the rule with slit sight, the sights arranged to form two perpendicular alidades -- 66in. (15.7cm.) diameter, the rule 6.13/16in. (17.3cm.) long See Colour Illustration and Detail
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
