December 1875 Issue [Article] The first century of the republic. (Fourteenth paper.) The progress of the exact sciences. Download PDF Adjust Share by Frederick A.P. (Frederick Augustus Porter) Barnard, Subscribe or log in to continue reading. Tags 19th century Astronomers Astronomy Mathematicians Meteorologists Meteorology Physical scientists Research Scientists United States More from Frederick A.P. (Frederick Augustus Porter) Barnard The first century of the republic. (Fifteenth paper.) Scientific progress. I.–The exact sciences. (Concluded.) Adjust Share