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" Thus Fullers and Dyers find black Cloths, of equal Thickness with white ones, and hung out equally wet, dry in the Sun much sooner than the white, being more readily heated by the Sun's Rays. "
The Cabinet of Arts: Or, General Instructor in Arts, Science, Trade ... - Página 71
por Hewson Clarke, John Dougall - 1817 - 859 páginas
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The Arminian Magazine: Consisting of Extracts and Original ..., Volumen9

John Wesley - 1786 - 738 páginas
...you bring the focus to ablackfpot, or upon letters, written or printed, the paper will immediately be on fire under the letters. Thus Fullers and Dyers find black cloths, of equal thicknefs with white ones, and hung out equally wet, dry in the fun much fooner than the white, being...
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The Annual Register, Or, A View of the History, Politics, and ..., Volumen12

1800 - 586 páginas
...bring the focus to a black" fpot, or upon letters, written or printedj the paper will immediately be on fire under the letters. Thus fullers and dyers find black cloths, of equal thicknefs with white ones, and hung out equally wet, dry in the fun much fooner than the white, being...
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Annual Register of World Events, Volumen12

1800 - 580 páginas
...bring the focus to a black fpot, or upon letters, written or printed, the paper will immediately be on fire under the letters. Thus fullers and dyers find black cloths, of equal thicknefs* with white ones, and hung out equally wet, dry in the fun much fooner than the white, being...
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Narrative of the Operations of a Detachment in an Expedition to Candy, in ...

Arthur Johnston - 1810 - 180 páginas
..." I " Another. Try to fire the paper with a burning glass. If it is white, you will not easily burn it; — but if you bring the focus to a black spot,...or upon letters, written or printed, the paper will immediately be on fire under the letters. " Thus fullers and dyers find black cloths, of equal thickness...
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The Youth's Companion: Or An Historical Dictionary; Consisting of Articles ...

Ezra Sampson - 1813 - 434 páginas
..."Try," says the doctor, " to fire paper with a burning glass : if it is white, you will not easily burn it ; but if you bring the focus to a black spot, or upon letters, written or printed, the paper will immediately be on fire under the letters." Public opinion is, in this instance, on the side of the...
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The Youth's Companion, Or, An Historical Dictionary: Consisting of Articles ...

Ezra Sampson - 1816 - 432 páginas
...Doctor, " to fire paper with a burning glass : if it is white, you will not easily burn it ; but it you bring the focus to a black spot, or upon letters, written or printed, the paper will immediately be on fire under the letters." Public opinion is, in this instance, on the side of the...
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Essays and Letters, Volúmenes1-2

Benjamin Franklin - 1820 - 360 páginas
...still cool. Another : Try to fire paper with a burniugglass. If it is white, you will not easily burn it ; but if you bring the focus to a black spot, or upon letters, written or printed, the paper will immediately be on fire under the letters. Thus fullers and dyers find black cloths, of equal thickness...
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The British Prose Writers...: Dr. B. Franklin's essays

1821 - 356 páginas
...still cool. Another : Try to fire paper with a burningglass. If it is white, you will not easily burn it ; but if you bring the focus to a black spot, or upou letters, written or printed, the paper will immediately be on fire under the letters. Thus fullers...
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The Cabinet of Arts: Or General Instructor in Arts, Science, Trade ...

Hewson Clarke, John Dougall - 1825 - 892 páginas
...paper with a burning-glass : if it be white, you will not easily burn it ; but if you bring the ibcus to a black spot, or upon letters written or printed,...being more readily heated by the sun's rays. It is the same before a fire : the heat sooner penetrates black stockings than white ones, and sooner scorches...
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American Mechanics' Magazine, Volumen2

1825 - 314 páginas
...still cool. Again. Try to fire paper with a burning glass. If it is whito, you will not easily burn it ; but if you bring the focus to a black spot, or upon letters written or printed, the paper will immediately be on fire under the letters. The fullers and dyers find black cloths, of equal thickness...
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