Show named after famous spa magnesium sul sulphate came into use during the seventeenth century in consequence of the epsom spa epa in england which became famous as a watering place and health resort about 1010 1640 wrote charles 11 II lawall in four thousand years of pharmacy later in the same century dr friedrich hoffman otTman II found the waters of the litz spring in germany to contain magnesium sulphate and so BO tho the terms epsom salt and Sel diltz salt were used to designate this same substance long before its composition had been established |