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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... hollow under the bottom plate ; across which hollow runs a thin , tight partition , to keep apart the air entering the hollow and the smoke ; and is therefore placed between the air - hole and smoke - holes . 3. A passage is made ...
... hollow under the bottom plate ; across which hollow runs a thin , tight partition , to keep apart the air entering the hollow and the smoke ; and is therefore placed between the air - hole and smoke - holes . 3. A passage is made ...
Seite 60
... hollow ; then make a pas- sage of four inches square ( if the place will allow so much ) leading from the hollow to some place commu- cating with the outer air ; by outer air we mean air without the room you intend to warm . This ...
... hollow ; then make a pas- sage of four inches square ( if the place will allow so much ) leading from the hollow to some place commu- cating with the outer air ; by outer air we mean air without the room you intend to warm . This ...
Seite 61
... hollow on either side , or in the fore part , just as you find most convenient , the cir- cumstances of your chimney considered . If the fire- place is to be put up in a chamber , you may have this communication of outer air from the ...
... hollow on either side , or in the fore part , just as you find most convenient , the cir- cumstances of your chimney considered . If the fire- place is to be put up in a chamber , you may have this communication of outer air from 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