( ) 
fuch manner from the Armour of unarmed Stone, if 
the Armour and Iron are both of them bright and clean 
at their Contact, Hence it muft follow, 
XV. That an armed Loadftone can lift more with 
either of its Poles, ufed lingly, than the fame can lift 
naked , and this it will do, though the Armour Ihould 
be narrow, and touch very little of the Stone j how 
much more then will it lift, when the plated Part 
thereof covers all the End of the Stone, and fecures 
all the Vertue of that Pole to which it is applied, 
leading it to the other End which attracts? I take foft 
Iron to be fo good for Armour as the choiceft Steel, if 
not better. 
XVI. That not only Steel or Iron regularly touched; 
but alfo oblong Iron void of permanent Vertue (fo 
long as it has a tranhent Vertue by Polition of either 
of its Ends towards the Pole of a Loadftone large 
enough to affedf it at a confiderable Diftance) will 
perform all that any Loadflone can, though not with 
the fame Degree of Power: For either of them will 
attrrd, keep one Piece of Iron fufpended to another, 
and communicate fome Degree of permanent Polarity- 
to Steel well hardened,, as 1 have experienced, and alfo 
to an Iron Wire. 
XVII. That the Earth’s central Loadflone, or Mag^- 
net, has allthefameVertues which others have, and no 
difcovered ones befidesyand though we cannot approach 
it, yet it ads as others do at a proportionable Diftance. 
I have experienced, that it will keep a prepared Six- 
penny (or with more Difficulty a Ten-penny) Nail fuf- 
pended to a prepared Iron Bar about f of an Inch fquare, 
and 5 or 6 Feet long, in an ered Pofture with either i 
of its Ends downwards. I hung up the Bar in a Room . 
