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A fmali eight- corner’d Bar of Steel, of the Length 
of 3 Inches, and almoft 7 Tenths, and of the Weight 
of about half an Ounce Troy, lifted by one of its 
Ends about 1 1 of the fame Ounces. 
That another plain Bar of Steel of a Parallelopiped 
Form, of the Length of 5 Inches and 9 Tenths, the 
Breadth of four Tenths, and the Thicknefs of two 
Tenths of an Inch, weighing 2 Ounces 8 -Peny- 
weight and a half, lifted, in like manner, by one of 
its Ends 20 Troy Ounces. 
That a Steel Bar, almoft of the fame Form as the 
lap, but only 4 Inches in Length, capped or armed 
with Iron at each End, cramped with Silver, and 
weighing all together one Ounce fourteen Peny- 
weight, lifted by the Feet of the Armour full four 
Pounds Troy. 
That a fingle Block of Steel of a Parallelopiped 
Form, almoft 4 Inches long, 1 Inch and 2 Tenths 
in Height, and 4 Tenths of an Inch in Thicknefs, 
armed with Iron, cramped with Brafs, fufpended by 
a Ring ©f the fame, and weighing all together 14 
Ounces 1 Penyweight, lifted by the Feet of the 
Armour 14 Pounds 2 Ounces and an half, Troy 
Weight. 
Thar a compound artificial Magnet was alfo tried, 
confiding of 12 Bars of Steel armed ; and that it was 
found to lift by the Feet of the Armour as the laft, 
23 Troy Pounds, 2 Ounces and an half. 
The 12 Bars, compofing this laft Magnet, were 
each a little more than 4 Inches long, 3 Tenths of 
an Inch in Breadth, and 16 Hundredths of the fame in 
Depth, weighing one with another about 25 Peny- 
w eight each. They were all placed one upon an- 
other 
