A Treatise of Artificial Magnets: In which is Shewn an Easy and Expeditious Method of Making Them, Superior to the Best Natural Ones: and Also, a Way of Improving the Natural Ones, and of Changning Or Converting Their Poles. Directions are Likewise Given for Making the Mariner's Needles in the Best Form, and for Touching Them Most Advantageously, &c... |
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Common terms and phrases
alfo almoſt alſo amifs amongſt applied Armour Artificial Magnets Attraction and Repulfion Avoirdupois bar of Iron bars of Steel becauſe befides cafe confequently confiderable contrary Endeavour convenient defigned degree direction diſtance double Touch dozen eaſily employed in touching eſpecially faid fame denomination fame manner feem feve feveral fide fince fingle firſt fix-inch bars fize flide fmall foft fome fometimes fomewhat ftrait fufficient fuperior fupported half hardened increaſe inſtead Iron bars itſelf juſt laſt leaſt lefs leſs lift Magnetiſm marked end Method moft moſt muſt myſelf Natural Magnets neceffary Needle netical North Poles downward number of bars obſerved occafion otherwife Ounces perhaps pieces of Iron placed poffibly Poker preſerve proper propoſed purpoſe reaſon rection reft reſt retain retouch ſeem ſhould ſmall ſome South Pole Steel bars ſtrength ſubject ſuch themſelves theſe thickneſs thofe thoſe unmarked end uſed wedge of Iron weight