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WHAT IS PROPOSED . . . . . . . . . . . . . . . . . . . . . . . . . 20
The great problem.
INTIMATE NATURE OF THE FORCES . . . . . . . . . . . . . . . . . . 24
Sunlight and sun-heat--The great law of conservation--How the spheres are constructed--The great earth-core and its functions--The grand magnetic circuit.
SUNLIGHT, ITS SOURCE AND NATURE . . . . . . . . . . . . . . . . . 29
Its limits--The solar cone--The sun not incandescent--New hypothesis--No borrowed light--The sun dependent--Light as a substance--Velocity of Light.
SUN-HEAT, ITS SOURCE AND LIMITS . . . . . . . . . . . . . . . . . 35
Tendencies to unsettle in science--Present theories--True source--Earth's part in the process--Sun's part--New philosophy--Old phenomena and new interpretations--Aurorae--Well understood processes in confirmation--The ordinary battery--The Great Sun Battery--Heat without combustion--Inter-currents--Solution of the problem.
THE SEASONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Why their varying temperature?--A new philosophy.
GRAVITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Its essential nature and its source.
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