... at the same instant of time at 25 minutes after 3 in the afternoon, at London: what was the longitude of the place where I made my observation? ... 16 a#39;When the sun is over the equator, the earth is illuI7 minated from pole to pole; how far will his rays ex. tend beyond the north pole, ... 19 How many days will the sun constantly shine, and how a#39;many will he be absent in the latitude of 80o north or south ?
|Title||:||An Introduction to Geography, Astronomy, and the use of the globes ... To which are added, a chronological table ... and ... questions ... Second edition, enlarged|
|Author||:||John RIVETT (Master of the Academy at Wymondham.)|