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Some persons of that day left records which indicate that only a few slaves succeeded in acquiring an imperfect knowledge of the common branches, whereas others noted a larger number of intelligent servants. Arfwedson remarked that the slaves seldom learned to read; yet elsewhere he stated that he sometimes found some who had that ability.

Thus Arfwedson discovered lithia by perceiving an excess of weight in the sulphate produced from a small portion of what he considered as magnesia present in a mineral he had analysed.

Thus Arfwedson discovered lithia by perceiving an excess of weight in the sulphate produced from a small portion of what he considered as magnesia present in a mineral he had analyzed.

ABDY, E.S. Journal of a Residence and Tour in the United States from April, 1833, to October, 1834. Three volumes. ALLIOT, PAUL. Réflexions historiques et politigues sur la Louisiane. Valuable for information concerning New Orleans about the beginning of the nineteenth century. ARFWEDSON, C.D. The United States and Canada in 1833 and 1834. Two volumes.