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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: CONVERSATION V. Of the Hydrostatical Paradox, EMMA. You are to explain a paradox to-day: I thought natural philosophy had excluded all paradoxes. Father. Dr. Johnson has given this definition of a paradox, an assertion contrary to appearances: now the assertion which I am to refer you to is, that any quantity of water, however small, may be made to balance and support any quantity, Jiotvever large. That a pound of water, for instance, should, withoutany mechanical advantage, be made to support ten pounds, or a hundred, or even a ton weight, seems at first incredible; certainly it is contrary to what one should expect, and on that account the experiment to show this fact has usually been called the hy- drostatical paradox. Charles. It does appear unaccountable: I hope the experiments may be very easy to be understood. Father. Many have been invented for the purpose, but I know of none better than those described by Mr. Ferguson in his lectures on select subjects. Obgh (Plate II, Fig. 10) is a glass vessel, consisting of two tubes of very different sizes, joined together, and freely communicating with one another. Let water be poured VOL. I'll. F in at a, which will pass through the joining of the tubes, and rise in the wide one to the same height exactly as it stands in the smaller: which shows that the small column of water in D G balances the large one in the other tube. This will be the case if the quantity of water in the small tube be a thousand or a million of times less than the quantity in the larger one. If the smaller tube be bent in any oblique situation, as G v, the water will stand at F, that is, on the same level as it stands at A. This would be the case, if instead of two tubes, there were any given number of them connected together a...
| ISBN-13 | 9780217871044 |
|---|---|
| ISBN-10 | 0217871046 |
| Weight | 0.32 Pounds |
| Dimensions | 9.00 x 6.00 x 0.22 In |
| List Price | $14.14 |
| Format | Paperback |
|---|---|
| Pages | 90 pages |
| Publisher | |
| Published On | 2009-08-01 |
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