CHEMICAL ANALYSES OF SUGAR, MOLASSES, &C . LETTER FROM THE SECRETARY OF THE TREASURY 1845

1845. Transmitting REPORT OF CHEMICAL ANALYSES OF SUGAR, MOLASSES, &C , AND OF RESEARCHES ON HYDROMETERS, MADE UNDER THE SUPERINTENDENCE OF PROFESSOR A. D. BACHE, by Professor R. S. McCulloh. 28th Congress, 2d Session. Ho. of Reps. Treas. Dept. Doc. No. 146. Contents: Different kinds of sugar defined; Qualitative and quantitative analysis of sugars, sirups, and molasses and particularly those derived from the cane; Analysis of several specimens of molasses by the circular polarization of light; Remarks upon molasses and other saccharine substances; Drawback to be allowed on foreign sugars refined in the United States; Hydrometers; Method of manufacture to be observed by instrument-makers in the construction of standard decimal hydrometers; Hydrometers in different countries: Britain, Prussia, Holland, Switzerland, and America; New analytical discussion of the observations of M. Despretz; Different proofs of spirits; nd Experiments of comparison of several of the hydrometers used for spirits. 106 pp. Numerous tables and equations. Famous Americans in document: George M. Bibb, Secretary of the Treasury; Alexander D. Bache; and J. C. Spenser, Secretary of the Treasury. Disbound. Mild foxing. No interference with text. Overall Very Good. Alexander Dallas Bache (1806-1867) was an important scientific reformer during the early nineteenth century. From his position as superintendent of the United States Coast Survey, and through leadership roles in the scientific institutions of the time, Bache helped bring American science into alignment with the professional nature of its European counterpart. In addition, Bache fostered the reform of public education in America. . Paperbound. Very Good-. Illus. by Tables. Size: Approx. 5 1/2" x 8 1/2". U.S. Government Document.