 | 1769 - 760 pàgines
...burning glafn. If ic is white, you will not eafily burn it: But if you bring the focus to a black fpot, or upon letters, written or printed, the paper will immediately be on fire under the letttrs. Thus fullers and dyers find black cloths, of equal thickiuft with white ij ones. 26 THUU ones,... | |
 | 1800 - 580 pàgines
...glafs. If it is white, you will not eafily burn it; — but if you bring the focus to a black fpot, or upon letters, written or printed, the paper will...fooner penetrates black ftockings than white ones, and is fo apt iooner to bum a man's (Viins. Alfo beer much fooner warms in a black mug fet before the... | |
 | 1800 - 586 pàgines
...eafily burn it;— but if you bring the focus to a black" fpot, or upon letters, written or printedj the paper will immediately be on fire under the letters....fooner penetrates black ftockings than white ones, and is fo apt fooner to burn a man's ihins. Alfo beer much fooner warms in a black mug fet before the... | |
 | Arthur Johnston - 1810 - 180 pàgines
...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...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... | |
 | Ezra Sampson - 1813 - 434 pàgines
...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 latter of these celebrated philosophers. BLACK-OAK,... | |
 | Ezra Sampson - 1816 - 432 pàgines
...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 latter of these celebrated philosophers. BL.ACK-OAK,... | |
 | Hewson Clarke, John Dougall - 1817 - 902 pàgines
...bring the focus to a black spot, or upon letters written or printed, the paper will be immediately on fire under the letters. 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... | |
 | Benjamin Franklin - 1820 - 360 pàgines
...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...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... | |
 | 1821 - 356 pàgines
...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...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... | |
 | 1825 - 314 pàgines
...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 with white ones, and hung out equally wet,... | |
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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. 
