Subjects: “...armillary sphere...”
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Subjects: “...Ganui (simplified armillary sphere)...”
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“... correspond to outer layer is similar to his own Tongcheonui (armillary sphere) which is a kind of armillary...”
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“... model of the astronomical armillary sphere system of the his armillary clock, which system is consisted...”
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“... of the water-hammering type Honsang. A Honui (armillary sphere) and Honsang using the water-hammering method...”
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