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 51
... bottom plate , which being by a ring lifted up towards the fire , about an inch , where it will be retained by two springing sides fixed to it perpen- dicularly ( see Plate V. , Fig . 4 ) , the air rushes in from the hollow under the bottom ...
... bottom plate , which being by a ring lifted up towards the fire , about an inch , where it will be retained by two springing sides fixed to it perpen- dicularly ( see Plate V. , Fig . 4 ) , the air rushes in from the hollow under the bottom ...
Seite 416
... bottom of the creek was muddy , and when stirred up , so as to cause a consider- able curl on the surface , and a lighted candle held within two or three inches of it , the whole surface was in a blaze , as instantly as the vapor of ...
... bottom of the creek was muddy , and when stirred up , so as to cause a consider- able curl on the surface , and a lighted candle held within two or three inches of it , the whole surface was in a blaze , as instantly as the vapor of ...
Seite 547
... bottom plate which lies flat upon the hearth , with its partitions , 1 , 2 , 3 , 4 , 5 , 6 , ( Plate , Fig . 2 , ) that are cast with it , and a groove Z Z , in which are to slide the bottom edges of the small plates Y , Y , figure 12 ...
... bottom plate which lies flat upon the hearth , with its partitions , 1 , 2 , 3 , 4 , 5 , 6 , ( Plate , Fig . 2 , ) that are cast with it , and a groove Z Z , in which are to slide the bottom edges of the small plates Y , Y , figure 12 ...
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