[ ”7 ] 
for that of one (Irak Piece of Steel ; and then if a 
Needle fhould be inverted it might kill be ufed. It 
alio {hews the Abfurdity of permitting Iron of any 
kind about the Compafs-Box, or the Binacle. Who- 
ever confidcrs the whole Defcription here given of 
this Compafs, I am perfuaded, he will efteem it a 
moft defpicable Inftrument: How then mull anyone 
be fhocked to hear, that almolt all the Compafies 7 
made ufe of by our trading VelTels, are of the fame 
fort! the Boxes all joined with iron Wire, and the 
fame Degree of Accuracy obferved throughout the 
Whole ! 
This lam credibly informed, is the Cafe j and that 
for no other Reafon, but that one of this fort may 
be purchafed for $s. and it will coll about is. 6d. 
more to buy a tolerable good one. So that the Lives 
and Fortunes of thoufands are every Day hazarded for 
fuch a trifling Conflderation. 
f .* 
VI. 
