How the Sun Lights and Heats the Earth

This Ontario Public School textbook, published in 1922, contains some fascinating facts of a world which no longer exists. It seems politically incorrect in some of its descriptions by modern day standards. (Summary by  David Lawrence)

Arts

This Ontario Public School textbook, published in 1922, contains some fascinating facts of a world which no longer exists. It seems politically incorrect in some of its descriptions by modern day standards. (Summary by David Lawrence)

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How the Sun Lights and Heats the Earth

How the Sun Lights and Heats the Earth