Letter from the Secretary of the Treasury, communicating a report of chemical analyses of sugars, molasses, &c., and of researches on hydrometers, made under the superintendence of Professor A.D. Bache by Professor R.S. McCulloh. February 21, 1845. Read, and ordered to be printed. March 3, 1845. Ordered, that 500 additional copies be furnished for the use of the Senate

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United States. Congress. Senate

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