Problems in time and space : a collection of essays relating to the earth, physically and astronomically, and cognate matters /
by F.A. Black.
- [1st edition].
- xx, 362 pages : frontispiece, plates, portraits, diagrams ; 21 cm
How the distance and size of the sun were measured -- A simple means of ascertaining the day of the week of any given date in the Christian era -- Measuring the earth -- Solar and sidereal time -- The reform of the calendar -- The magnetism of the earth -- The movements of the sun and of the earth in space -- Logarithms and their inventor -- Gravitation the chief cause of the general oceanic circulation -- Twilight and dawn -- Appendix.