46 
(/) 
Proceedings of the Royal Society 
Weight on each 
end of Wire. 
5.100 grains 
9.100 „ 
22,100 „ 
40,100 „ 
Hard Crown Wire. 
Weight required 
to overcome stiff, 
ness of Wire. 
1500 grains 
1600 „ 
1800 „ 
2000 „ 
(9) 
Same Wire as (e), after several experiments with it. 
10.000 grains 
30.000 „ 
50.000 „ 
60.000 „ 
1340 grains 
1600 „ 
1800 „ 
1900 „ 
(h) Soft Wire, another specimen of ( d ), after a good number 
of trials, and taking the average of the last three. 
10,000 grains 
1000 grains 
30,000 „ 
1190 „ 
50,000 „ 
1360 „ 
60,000 „ 
1460 „ 
-) 
Same Wire as last doubled. 
10,000 grains 
2300 grains 
No great precautions were taken 
30,000 „ 
2470 „ 
in this experiment to secure the 
50,000 „ 
2640 „ 
weight being equally distributed 
60,000 „ 
2740 „ 
over both wires. 
No proper results could be got by doubling any of the unannealed 
wires. 
(0 
Whip Cord. 
10,000 grains 
130 grains 
20,000 „ 
240 „ 
30,000 „ 
400 „ 
40,000 „ 
o 
CO 
lo 
50,000 „ 
630 „ 
60,000 „ 
700 „ 
