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" The body continuing suspended as before, and upright, if the head be leaned quite back, so that the face looks upwards, all the back part of the head being then under water, and its weight consequently in a great measure supported by it, the face... "
Encyclopaedia Perthensis; Or Universal Dictionary of the Arts, Sciences ... - 第63页
1816
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The Annual Register of World Events: A Review of the Year, 第 20 卷

Edmund Burke - 1794 - 610 页
...continued fufpended as before, and upright, if the head be leaned quite back, fo that the face tooks upwards, all the back part of the head being then under water, and irs weight conic quently in a great meafure fupported by it, the face will remain above water quite...
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Annual Register, 第 20 卷

Edmund Burke - 1779 - 734 页
...continued fufpendcd as before, and upright, if the head be leaned quite back, fo that the face looks upwards, all the back part of the head being then...free for breathing, will rife an inch higher every inlpiration, and fink as much every expiration, but never fo low as that the water may come over the...
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The Scots Magazine, 第 42 卷

1780 - 740 页
...fufpended as beforehand upright, if the head be leaned quite back, fo that the face looks upxvards, all the back part of the head being then under water, and its \veight confequently in a great meafure fupported by it, the face will remain above water quite free...
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The Annual Register, Or, A View of the History, Politics, and ..., 第 20 卷

1794 - 614 页
...continued fufpended as before, and upright, if the head be leaned quite back. Го that the face looks upwards, all the back part of the head being then...free for breathing, will rife an inch higher every inipiration, and fink, as much every expiration, but never fo low as that the water may come over the...
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Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences ..., 第 18 卷,第 1 部分

Colin Macfarquhar, George Gleig - 1797 - 452 页
...continued fufpended as betöre, and . upright, if the head be leaned quite back, fo that the face looks upwards, all the back part of the head being then...and fink as much every expiration, but never fo low аз that the water may come over the mouth. " 7thly, If theveiore a perfon unacquainted with fwimming,...
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Annual Register of World Events, 第 20 卷

1805 - 608 页
...continued suspended as before, and upright, if the head be leaned quite back, so that the face looks upwards, all the back part of the head being then under water, and its weight consequently in a great measure supported by it, the face will remain above water quite free for breathing,...
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The British encyclopedia, or, Dictionary of arts and sciences, 第 6 卷

William Nicholson - 1809 - 722 页
...continuing suspended as before, and upright, if the bead be leaned quite back, so that tlie face looks upwards, all the back part of the head being then under water, and its weight consequently in a great meainre supported by it, the face will remain above water quite free for breathing,...
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A Selection of Curious Articles from the Gentleman's Magazine, 第 3 卷

John Walker - 1811 - 572 页
...continued suspended as before, and upright, if the head" be leaned quite back, so that the face looks upwards, all the back part of the head being then under water, and its weight, consequently, in a great measure supported by it, the face will remain above water quite free for breathing,...
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A Selection of Curious Articles from the Gentleman's Magazine, 第 3 卷

John Walker - 1811 - 574 页
...part of the head being then tmder water, and its weight, consequently, in a great me a•ure supported by it, the face will remain above water quite free for breathing, wiJJ rise an inch higher every inspiration, and sink as much every expiration, but never so Iow as...
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A Selection of Curious Articles from the Gentleman's Magazine, 第 3 卷

John Walker - 1814 - 566 页
...back part of the head being then under water, and its weight consequently in a great measure supported by it, the face will remain above water quite free for breathing, will rise an inch higher every inspiration, and sink as much every expiration, but never so low as that...
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