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 5C. Tappan, 1844 |
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... Needle of Compasses explained . - Gunpow- der fired by the Electrical Flame TO PETER COLLINSON . 29 July , 1750 . • 181 • 189 · 196 211 • 223 • 226 Introductory Letter to some additional Papers Opinions and Conjectures concerning the ...
... Needle of Compasses explained . - Gunpow- der fired by the Electrical Flame TO PETER COLLINSON . 29 July , 1750 . • 181 • 189 · 196 211 • 223 • 226 Introductory Letter to some additional Papers Opinions and Conjectures concerning the ...
Seite 183
... needle upon the shot , and you cannot electrize the shot so as to make it repel the cork ball . Or fix a needle to the end of a suspended gun - barrel , or iron rod , so as to point be- yond it like a little bayonet ; and , while it ...
... needle upon the shot , and you cannot electrize the shot so as to make it repel the cork ball . Or fix a needle to the end of a suspended gun - barrel , or iron rod , so as to point be- yond it like a little bayonet ; and , while it ...
Seite 224
... needle , gives it polarity , and it will traverse when laid on water . If the needle , when struck , lies east and west , the end entered by the electric blast points north . If it lies north and south , the end that lay to- wards the ...
... needle , gives it polarity , and it will traverse when laid on water . If the needle , when struck , lies east and west , the end entered by the electric blast points north . If it lies north and south , the end that lay to- wards the ...
Seite 225
... needle lies north and south ) might become the north , otherwise it puzzles us to account for the inverting of compasses by lightning ; since their needles must always be found in that situation , and by our little experiments , whether ...
... needle lies north and south ) might become the north , otherwise it puzzles us to account for the inverting of compasses by lightning ; since their needles must always be found in that situation , and by our little experiments , whether ...
Seite 233
... needle held alternately in his hand , and presented for that purpose , do not draw with dif ferent forces in proportion to their different masses . For the man , and what he holds in his hand , be it large or small , are connected with ...
... needle held alternately in his hand , and presented for that purpose , do not draw with dif ferent forces in proportion to their different masses . For the man , and what he holds in his hand , be it large or small , are connected with ...
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Abbé Abbé Nollet America appear attracted BENJAMIN FRANKLIN body bottle Britain charged clouds coating Collinson colonies common matter conduct Congress contained cork ball cushion discharged draw earth elec electric fluid electric matter electrical atmosphere electrical experiments electrical fire electrified equal fait finger floor force Franklin give glass globe greater hand heat honor hook igne ignis iron j'ai JAMES BOWDOIN jars Kinnersley letter Leyden Lord Lord Chatham Lord Hyde Lordship magnetic melted ment metal motion natural quantity needle negative non-electric observed opinion paper Parliament passing person PETER COLLINSON Philadelphia piece plate pointed rod positively power of points present prime conductor quantity of electricity received repelled repulsion round Royal Society rubbed shock side silk spark standing on wax stroke sulphur suppose surface suspended thick thread tion touch the wire tricity tube vapors whole wire