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 131
... upper air may be more condensed by cold , than the lower air by pressure ; the lower more ex- panded by heat than the upper , for want of pressure . In such case the upper air will become the heavier , the lower the lighter . The lower ...
... upper air may be more condensed by cold , than the lower air by pressure ; the lower more ex- panded by heat than the upper , for want of pressure . In such case the upper air will become the heavier , the lower the lighter . The lower ...
Seite 298
... upper teeth . Then to those , formed still more for- ward , by the under lip applied to the upper teeth . Then to those , formed yet more for- ward , by the upper and under lip opening to let out the sounding breath . And lastly ...
... upper teeth . Then to those , formed still more for- ward , by the under lip applied to the upper teeth . Then to those , formed yet more for- ward , by the upper and under lip opening to let out the sounding breath . And lastly ...
Seite 531
... upper plate , and go up the chimney . It was pretty to see , but of no great use . Placing there- fore the under plate in a higher situation , I removed the upper plate C D , and placed it perpendicularly ( Plate , Fig . 8 ) , so that the ...
... upper plate , and go up the chimney . It was pretty to see , but of no great use . Placing there- fore the under plate in a higher situation , I removed the upper plate C D , and placed it perpendicularly ( Plate , Fig . 8 ) , so that the ...
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