The Works of Benjamin Franklin: Containing Several Political and Historical Tracts Not Included in Any Former Edition, and Many Letters, Official and Private, Not Hitherto Published; with Notes and a Life of the Author, Band 6Childs & Peterson, 1840 |
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Seite 115
... light , and indeed , I think , all bodies do . It does not follow , that , because we do not see the light , none is emitted . Some men can see where others are entirely in the dark ; and some animals , as owls , bats , & c . , see in ...
... light , and indeed , I think , all bodies do . It does not follow , that , because we do not see the light , none is emitted . Some men can see where others are entirely in the dark ; and some animals , as owls , bats , & c . , see in ...
Seite 116
... light from the lumin- ous body . I am persuaded , that a careful attention to the phenomena in Sir Isaac's Optics ... light , without any other mixture , makes no im- pression on any other sense except the sight ; that the sense of heat ...
... light from the lumin- ous body . I am persuaded , that a careful attention to the phenomena in Sir Isaac's Optics ... light , without any other mixture , makes no im- pression on any other sense except the sight ; that the sense of heat ...
Seite 192
... light which fills this circle of eight miles diameter was contained , when it first left the candle , within a circle of half an inch diameter . If the density of light , in these circum- stances , be as those circles to each other ...
... light which fills this circle of eight miles diameter was contained , when it first left the candle , within a circle of half an inch diameter . If the density of light , in these circum- stances , be as those circles to each other ...
Inhalt
I | 3 |
Causes of Earthquakes 15 December 1737 | 14 |
To CADWALLADER COLDEN | 25 |
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air-box appears ascending body bottom plate CADWALLADER COLDEN cause celerity chimney cloud coals cold air common continually DEAR SIR degree descending diameter distance earth EDITOR effect electricity equal experiment false back fire fire-place flame fluid force FRANKLIN fresh funnel give glass Gulf Stream heat hollow hygrometer inches ingenious iron JARED ELIOT JOSEPH PRIESTLEY kind less letter light London magic squares matter mentioned moisture motion move obliged observed occasion paper particles pass passage perhaps perspirable Philadelphia Philosophical piece pleasure present printed quantity rarefied received red clover rise river round Royal Society salt ship side Sir John Pringle smoke specific gravity spout stove suppose surface thing Thomas Hopkinson tion Transit of Mercury transit of Venus vapor vessel warm air waves weight whirl whirlwind whole wind wood