Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 10. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
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Page 431
... iron presented to it , the magnetic or unmag- netic state of the body , and the distance between them . A piece of clean and foft iron is more powerfully at- tracted than any other ferruginous fubftance of the fame fize and shape ...
... iron presented to it , the magnetic or unmag- netic state of the body , and the distance between them . A piece of clean and foft iron is more powerfully at- tracted than any other ferruginous fubftance of the fame fize and shape ...
Page 432
... iron be interpofed . Neither the abfence nor prefence of air has any effect upon it . & c . of Attraction . • VII . By heat , the power of a magnet is weakened ; and when it arrives at that degree called a white heat , it is entirely ...
... iron be interpofed . Neither the abfence nor prefence of air has any effect upon it . & c . of Attraction . • VII . By heat , the power of a magnet is weakened ; and when it arrives at that degree called a white heat , it is entirely ...
Page 434
... iron itself loses all magnetic power the moment it is feparated from the magnet . Hardened iron , caft- iron , and fteel , perform a part analogous to that of electrics ; for the virtue does not eafily pervade them , but is retained ...
... iron itself loses all magnetic power the moment it is feparated from the magnet . Hardened iron , caft- iron , and fteel , perform a part analogous to that of electrics ; for the virtue does not eafily pervade them , but is retained ...
Common terms and phrases
againſt alfo almoſt alſo ancient becauſe beſt body cafe called caufe cauſe colour confequence confiderable confifts conftruction dæmon defcend defcribed diſcovered diſtance diuretic Emollient equal faid fame fays fecond feems feet fent ferve feven feveral fhall fhip fhort fhould fide fince firft firſt fituation fize fmall fome fometimes foon force fouth fpirit fquare ftate ftill ftones ftrong fubftance fubject fuch fufficient fuppofed fupport furface grand-mafter greateſt himſelf houſe inches increaſe iron iſland itſelf kind king laft laſt lefs lever likewife mafter magnet Mahomet Malta manner marriage meaſure moft moſt motion moving muft muſt neceffary needle obferved occafion paffed perfon piece poffible pofition poles prefent publiſhed purpoſe quantity raiſed reafon refiftance reft reprefented ſeems ſeveral ſhe ſmall ſome ſpace ſtate thefe themſelves theſe thofe thoſe tion town uſed veffel velocity weft weight wheel whofe whole