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 45
... plates , ( iii , iii ) Two middle plates , ( iv , iv ) which , joined together , form a tight box , with winding passages in it for warm- ing the air . A front plate , ( v ) A top plate , ( vi ) These are all cast of iron , with ...
... plates , ( iii , iii ) Two middle plates , ( iv , iv ) which , joined together , form a tight box , with winding passages in it for warm- ing the air . A front plate , ( v ) A top plate , ( vi ) These are all cast of iron , with ...
Seite 46
... plate has a pair of ears , M , N , answer- able to those in the bottom plate , and perforated for the same purpose ; it has also a pair of ledges running round the under side , to receive the top edges of the front , back , and side ...
... plate has a pair of ears , M , N , answer- able to those in the bottom plate , and perforated for the same purpose ; it has also a pair of ledges running round the under side , to receive the top edges of the front , back , and side ...
Seite 531
... plate , descend to D ; then turn under the edge of 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 ...
... plate , descend to D ; then turn under the edge of 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 ...
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