Acerca de este libro
Mi biblioteca
Libros en Google Play
1. An Application of an Exponential Function. By J. E. HILGARD
61
2. To find a General Formula for the Length of Curves of Pursuit. By JOSEPH FICKLIN.
3. On the Rates of Interest Realized to Investors in the Securities of the United States. By
E. B. ELLIOTT
63
64
4. An Inquiry concerning the Physical Relation between the Masses and Mean Distances of the
different Planets. By JOHN N. STOCKWELL
66
5. Longitude Determination across the Continent. By GEORGE W. DEAN
79
6. On the. Use of the Zenith Telescope for Observations of Time. By J. E. HILGARD
7. The Four Great Eras of Modern Astronomy. By JACOB ENNIS.
91
103
122
8. The Meteors, and their Long-enduring Trails. By JACOB ENNIS
II. PHYSICS AND CHEMISTRY.
1. A Discussion on Perturbation of Forces. By JAMES D. WARNER
2. The Law of Electric Currents. By E. B. ELLIOTT.
3. On some Improvements in the Reflecting Telescope. By J. A. HILL
4. The Daily Motion of a Brick Tower, caused by Solar Heat. By C. G. ROCKWOOD