[ l6 5 ] 
appeared ftronger in this Cafe, than either of the 
former. 
Laftly, Mr. Knight , in about the fame time, in- 
verted this laft Dircdion of the Poles, keeping it fill 
parallel to the Axis of the Cylinder, but cabling the 
fmooth End of the Stone to attrad the North End 
of the magnetic Needle, and the rough End to at- 
trad the South, and repel the North End of the fame 
Needle. 
After this Report, Mr. Knight proceeded to drew, 
at the Meeting, l'ome of the fame artificial Magnets 
therein mentioned ; and it was found, that the com- 
pound Magnet, confiding of 1 2 Steel-Bars, and which 
had, in the Experiment made before the Prefident, 
lifted 23 Pounds 2 Ounces and an half Troy 
Weight, did here, under all the Inconveniencies and 
Difad vantages of a crouded Room, dill lift a Weight 
amounting to 21 Pounds and 11 of the fame Ounces. 
It was aifo found, that the fingle armed Block of 
Steel, which had before lifted 14 Pounds and 2 
Ounces, did here, under the fame Difadvantages as 
the former, lift 1 3 Pounds and 7 Ounces of like Troy 
Weight. 
And, laftly, Mr. Knight produced to the Com- 
pany the above-mentioned natural Loadftone belong- 
ing to Mr. Hawks bee, but with the Diredion of its 
Polarity again altered from what it was, when it was 
laft: fecn by the Prefident. 
tP. S. Since the artificial Magnets mentioned in 
the foregoing Paper, Mr. Knight has caufed 
fome others to be made of a Idler Size, but of 
a very great lifting Power : And one of thefe, 
weighing 
