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 370
... round their edges be the fluid burn- ing matter flowing down the banks into the hollow , it will follow , that , while a spot is in the middle of the sun's disk , the eye looking directly upon the whole , may discern that border all round ...
... round their edges be the fluid burn- ing matter flowing down the banks into the hollow , it will follow , that , while a spot is in the middle of the sun's disk , the eye looking directly upon the whole , may discern that border all round ...
Seite 466
... round tin plate of nearly the same diameter with the hole ; and having cut it in radial lines almost to the centre , so as to have six equal vanes , I gave to each of them the obliquity of forty - five degrees . They moved round ...
... round tin plate of nearly the same diameter with the hole ; and having cut it in radial lines almost to the centre , so as to have six equal vanes , I gave to each of them the obliquity of forty - five degrees . They moved round ...
Seite 559
... round grate , one French foot in diameter , and eight inches deep between the bars and the back ( Plate , Fig . 18 ) ; the sides and back of plate iron ; the sides having holes of half an inch diameter , distant three or four inches ...
... round grate , one French foot in diameter , and eight inches deep between the bars and the back ( Plate , Fig . 18 ) ; the sides and back of plate iron ; the sides having holes of half an inch diameter , distant three or four inches ...
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