In a laboratory is an old man working the bellows by a hearth with a young boy looking on. In the background are two men near a table.
Dedié à Monsieur Jacques Jean Comte de Wassenaer Seigneur d'Obdam, Chevalier du Saint Empire Romain./
Par son très humble Serviteur Jac. Ph. LeBas.
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Geologic Sample of Halite
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