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 41
... air round the fire - place , which is warmed by the direct rays from the fire , does not continue in the room , but is continually crowded and gathered into the chimney by the current of cold air coming behind it , and so is presently ...
... air round the fire - place , which is warmed by the direct rays from the fire , does not continue in the room , but is continually crowded and gathered into the chimney by the current of cold air coming behind it , and so is presently ...
Seite 129
... Air moderately heated will support a greater quantity of water invisibly than cold air ; for its particles , being by heat repelled to a greater distance from each other , thereby more easily keep the particles of water that are annexed ...
... Air moderately heated will support a greater quantity of water invisibly than cold air ; for its particles , being by heat repelled to a greater distance from each other , thereby more easily keep the particles of water that are annexed ...
Seite 131
... cold condenses and renders visible the vapor ; a tankard or decanter filled with cold water will con- dense the moisture of warm , clear air on its outside , where it becomes visible as dew , coalesces into drops , descends in little ...
... cold condenses and renders visible the vapor ; a tankard or decanter filled with cold water will con- dense the moisture of warm , clear air on its outside , where it becomes visible as dew , coalesces into drops , descends in little ...
Inhalt
A Proposal for promoting Useful Knowledge among | 14 |
TO CADWALLADER COLDEN 4 November 1743 | 25 |
CADWALLADER COLDEN TO B FRANKLIN Dec 1744 | 32 |
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air-box America appears Aurora Borealis boat body CADWALLADER COLDEN catarrhs cause chimney cloud coals cold air common conductor continue cool Copley Medal DEAR SIR degree descending diameter distance earth EDITOR effect electricity England equal experiment feet fire fire-place flame fluid force FRANKLIN fresh funnel give glass Gulf Stream heat hygrometer inches ingenious iron JOSEPH PRIESTLEY kind letter light London magic squares mentioned mercury miles moisture motion move observed occasion paper particles pass passage perhaps perspirable Philadelphia Philosophical piece pleasure present putrid quantity rarefied received rise river round Royal Society sail salt ship side Sir John Pringle Sir William Hamilton smoke soon sound specific gravity spout stove suppose surface thing tion transit of Venus upper vapor vessel waves weight whirlwind whole wind wood