| The first step in scientific map-making, all earlier attempts were more enthusiastic than accurate. |
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| To acknowledge the subjectivity of his map-making, Pam renames the continent. |
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| Knowing that Chinese rulers especially respected the mathematical sciences, he studied them diligently and became proficient at map-making and astronomy. |
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| The early history of music-printing relates closely to printing in general and to the ancillary arts of engraving, map-making, and die-cutting for coins and medals. |
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| Preuss' excellence in sketching and map-making more than made up for his pessimism and crabbiness on this and a subsequent expedition. |
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