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" ... millionth part of a grain. But the density of light at the surface of the sun is greater than at the earth in the proportion of 45000 to 1 ; there ought, therefore, to issue from one square foot of the sun's surface, in one second of time, in order... "
An Introduction to Natural Philosophy: Designed as a Text Book, for the Use ... - Seite 526
von Denison Olmsted - 1844 - 592 Seiten
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Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences ..., Band 10,Teil 1

Colin Macfarquhar, George Gleig - 1797 - 422 Seiten
...the fun's furface in one fécond of time, in order to fupply the walle by light, one forty-thoufandth part of a grain of matter ; that is, a little more than two grains in a day, or about 4,752,000 grains, of 670 pounds avoirdupoife nearly, in 6000 years ; a quantity which would have fhortened...
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The Elements of Natural Or Experimental Philosophy, Band 3

Tiberius Cavallo - 1803 - 638 Seiten
...fun.s furface in one «' fecond Of time, in order to fupply the wafle by " light, one-forty thoufandth part of • a grain of " matter, that is, a little more than two grains in a " day, or abeut 4752000 grains, which is about *' 670 pounds avoirdupois, in 6000 years f>"4. On account of the...
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Encyclopaedia Perthensis; Or Universal Dictionary of the Arts ..., Band 13

1816 - 746 Seiten
...foo.t of the fun's furface in one fecond of time, in order to fupply the wafte by light, one 40,000(11 part of a grain of matter; that is, a little more than two grains hva day, or about 4,751,000 grains, or region with the box, by means of the magnetical 670 pounds avoirdupois...
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Pantologia. A new (cabinet) cyclopædia, by J.M. Good, O. Gregory ..., Band 7

John Mason Good - 1819 - 742 Seiten
...earth, there ought to issue from a square foot of the sun's surface, in one second of time, the 40 thousandth part of a grain of matter; that is, a little more than two grains a day, or about 4,752,000 grains, which is about u'70 pounds avoirdupois, in GOUO years, the time since...
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A Dictionary of Mechanical Science, Arts, Manufactures, and ..., Band 2

Alexander Jamieson - 1829 - 654 Seiten
...to issue from a square foot of the sun's surface, in one second of time, the 40 thousandth part pf a grain of matter ; that is, a little more than two grains a day, or about 4,752,000 grains, which is about C70 pounds avoirdupois in COOO jears, the time siy^e...
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Pneumatics, electricity, magnetism, and optics

Denison Olmsted - 1835 - 374 Seiten
...reflector of four square feet, and thrown on the arm of a delicate balance, indicated a weight no< exceeding the 1200 millionth part of a grain, the...a day, or about 4752000 grains, which is about 670 pound avoirdupois in six thousand years."* 875. The intensity of light, at different distances from...
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An Introduction to Natural Philosophy: Designed as a Text Book, for the Use ...

Denison Olmsted - 1844 - 618 Seiten
...authority of great names is now decidedly on the side of this theory, and against that of emissions.! in a day, or about 4752000 grains, which is about 670 pounds, avoirdupois, in six thousand years."* CHAPTER VI. % OF COLORS IN NATURAL OBJECTS. 780. THE knowledge of the composition of light, and of...
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The practical astronomer, comprising illustrations of light and colours [&c.].

Thomas Dick - 1845 - 608 Seiten
...square foot of the sun's surface in one second of time, in order to supply the waste by 1ight «^»5 part of a grain of matter, that is, a little more than two grains a day, or about 4,752,000 grains, or 670 pounds avoirdupoise, nearly, in 6,000 years, a quantity which...
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The Practical Astronomer

Thomas Dick - 1845 - 644 Seiten
...issue from one square foot of the sun's surface in one second of time, in order to supply the waste by part of a grain of matter, that is, a little more than two grains a day, or about 4,752,000 grains, or 670 pounds avoirdupoise, nearly, in 6,000 years, a quantity which...
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An Introduction to Natural Philosophy: Designed as a Text Book for the Use ...

Denison Olmsted - 1850 - 624 Seiten
...in the proportion of 45!(Wto 1 ; there ought, therefore, to issue from one square foot of the sun'.s surface, in one second of time, in order to supply...matter, — that is, a little more than two grains I ., in . day, or about 4752000 grains, which is about 670 pounds, ' ; avoirdupois, in six thousand...
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