The Hollow Earth
Cranks are appliances to turn things round.
The Hollow Earth
- I. CRANKS.
- II. FIRE AND WATER.
- VII. VOLCANOES.
- VIII. RAINFALLS.
- IX. SPRINGS.
- X. GLACIERS.
- XI. CAVES.
- XII. ARTESIAN WELLS.
- XIII. OASES.
- XIV. THINGS THAT PUZZLE US.
- XV. METEORS.
- XVI. ATTRACTION OF GRAVITATION.
- XVII. SCIENTIFIC THEORIES.
- XVIII. SURFACE INFLUENCES OF WATER, AND CHANGE OF POLARITY.
- XIX. CONCLUSION.
Comments