TY  - BOOK
AU  - Black,F.A.
TI  - Problems in time and space: a collection of essays relating to the earth, physically and astronomically, and cognate matters 
PY  - 1909///]
CY  - London
PB  - Gall and Inglis
KW  - Astronomy
KW  - Calendar
KW  - Logarithms
KW  - fast
KW  - Earth space
KW  - Time
N1  - 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
ER  -