The Ambassadors - Ring dial and quadrant.jpg
Hans Holbein the Younger
en
The Ambassadors Ring dial and quadrant, Crop of "The Ambassadors" to show the ring dial and the quadrant instrument
commons
en
The Ambassadors Ring dial and quadrant, High-resolution details of The Ambassadors (Holbein), Astronomical rings, Quadrants (instrument), Extracted images
commons
ja
大使のダイヤルと象限、指輪ダイヤルと象限器具を示す「大使」の輪
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ja
大使のダイヤルと象限、大使の高解像度の詳細、天文輪、象限(インストルメント)、画像抽出
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quadrant dial