As there were problems with combustion of the copper ore during the sea voyage to Wales or Australia, tenders were called in 1848 for the erection of a copper mine smelter
पाश्चर ज्या महाविद्यालयात काम करत होते, तेथील लॉरेंन्ट या प्राचार्यांची मुलगी मेरी हिच्याशी पाश्चर यांचा विवाह १८४९ साली झाला.