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Acidulae Stebenses, in confinio non pares atque sulphure solis volatili et sale martis e propria minera martiali, ambae exaltatae, et cum lympha alibili atque spiritu volatili vitrioli nutritae mire salientes ... durch accurate chymische Proben ... beschrieben worden / [Johann Leonhard Hechtel]. Public Domain Mark. Source: Wellcome Collection.