It is sunlight in modified form which turns all the windmills and water wheels and the machinery which they drive. It is the energy derived from coal and petroleum (fossil sunlight) which propels our steam and gas engines, our locomotives and automobiles.... Food is simply sunlight in cold storage.


The New Dietics, what to Eat and how: A Guide to Scientific Feeding in Health and Disease (ed. 1921)


It is sunlight in modified form which turns all the windmills and water wheels and the machinery which they drive. It is the energy derived from coal ...

It is sunlight in modified form which turns all the windmills and water wheels and the machinery which they drive. It is the energy derived from coal ...

It is sunlight in modified form which turns all the windmills and water wheels and the machinery which they drive. It is the energy derived from coal ...

It is sunlight in modified form which turns all the windmills and water wheels and the machinery which they drive. It is the energy derived from coal ...