The Chemical History of a Candle
The Chemical History of a Candle
A Course of Lectures Delivered Before a Juvenile Audience at the Royal Institution
Book Excerpt
out it. It is not the best looking thing, but the best
acting thing, which is the most advantageous to us. This good-looking
candle is a bad burning one. There will be a guttering round about it
because of the irregularity of the stream of air and the badness of the
cup which is formed thereby. You may see some pretty examples (and I trust
you will notice these instances) of the action of the ascending current
when you have A little gutter run down the side of a candle, making it
thicker there than it is elsewhere. As the candle goes on burning, that
keeps its place and forms a little pillar sticking up by the side,
because, as it rises higher above the rest of the wax or fuel, the air
gets better round it, and it is more cooled and better able to resist the
action of the heat at a little distance. Now, the greatest mistakes and
faults with regard to candles, as in many other things, often bring with
them instruction which we should not receive if they had not occurred. We
come here to be philosophers; and I
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this book is very educational and helpful when you need some thing for a project im glad i did this one and read this book.
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This book is really nice.I really like It. It is Really really influeancing..........
07/02/2006
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