A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public — HOW ROUGH PRECIOUS STONES ARE CUT AND WHAT CONSTITUTES GOOD "MAKE"—Concluded

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A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public HOW ROUGH PRECIOUS STONES ARE CUT AND WHAT CONSTITUTES GOOD "MAKE"—Concluded · ch 31/41

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