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 182
... piece takes flame , and the metal piece does not , yet you will be obliged to drop the latter before the former , it conduct- ing the heat more suddenly to your fingers . Thus we can , without pain , handle glass and China cups filled ...
... piece takes flame , and the metal piece does not , yet you will be obliged to drop the latter before the former , it conduct- ing the heat more suddenly to your fingers . Thus we can , without pain , handle glass and China cups filled ...
Seite 312
... piece of pasteboard cut in a spiral form . The thread was fast- ened to the chimney - piece , so that the pasteboard , drawn out in a spiral form , came near to the edge of the chimney . The constant current of warm air , heat- ed by ...
... piece of pasteboard cut in a spiral form . The thread was fast- ened to the chimney - piece , so that the pasteboard , drawn out in a spiral form , came near to the edge of the chimney . The constant current of warm air , heat- ed by ...
Seite 483
... pieces of the proper length , and for half the breadth , as in figure 18 , then cut the whole in the diagonal lines , a , b , c , and turn the piece F so as to place its broad part opposite to that of the piece G , and the piece H in ...
... pieces of the proper length , and for half the breadth , as in figure 18 , then cut the whole in the diagonal lines , a , b , c , and turn the piece F so as to place its broad part opposite to that of the piece G , and the piece H in ...
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