Boys' second book of inventionsBaker, Ray Stannard
Science
Boys' second book of inventions
Baker, Ray Stannard
Inventions; Technology -- Juvenile literature
At Los Angeles, Cal., I went out to see the sun at work pumping water.
The solar motor, as it is called, was set up at one end of a great
enclosure where ostriches are raised. I don't know which interested me
more at first, the sight of these tall birds striding with dignity about
their roomy pens or sitting on their big yellow eggs--just as we imagine
them wild in the desert--or the huge, strange creation of man by which
the sun is made to toil. I do not believe I could have guessed the
purpose of this unique invention if I had not known what to expect.
I might have hazarded the opinion that it was some new and monstrous
searchlight: beyond that I think my imagination would have failed me.
It resembled a huge inverted lamp-shade, or possibly a tremendous
iron-ribbed colander, bottomless, set on its edge and supported by a
steel framework. Near by there was a little wooden building which served
as a shop or engine-house. A trough full of running water led away
on one side, and from within came the steady chug-chug, chug-chug of
machinery, apparently a pump. So this was the sun-subduer! A little
closer inspection, with an audience of ostriches, very sober, looking
over the fence behind me and wondering, I suppose, if I had a cracker in
my pocket, I made out some other very interesting particulars in regard
to this strange invention. The colander-like device was in reality, I
discovered, made up of hundreds and hundreds (nearly 1,800 in all) of
small mirrors, the reflecting side turned inward, set in rows on the
strong steel framework which composed the body of the great colander.
By looking up through the hole in the bottom of the colander I was
astonished by the sight of an object of such brightness that it dazzled
my eyes. It looked, indeed, like a miniature sun, or at least like a
huge arc light or a white-hot column of metal. And, indeed, it was white
hot, glowing, burning hot--a slim cylinder of copper set in the exact
centre of the colander. At the top there was a jet of white steam like a
plume, for this was the boiler of this extraordinary engine.
[Illustration: Side View of the Solar Motor.]
Public-domain text, read in full here on John Shaqi.
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