234 MB. W. BAIEBAIEN AliD ME, T. TATE OX THE MECHAXICAL PEOPEETIES 
Experiment 4. 
Globe I). Diameter 5-6 indies. 
Minimum thickness =0-020 inch. 
Collapsing pressure =475 lbs. per square inch. 
Experiment 5. 
Globe E. Diameters 8-22 and 7-45 inches. 
In parts of an iucb. 
fO-0152- 
0-0118 
0-0122 
0-0100 
0-0106 
0-0128 j 
0-0108 
0-0108 
0-0110 
^ 0-0102 
Collapsing pressure =36 lbs. per square inch. 
Experiment 6. 
Globe F. Diameters 8-2 and 7-2 inches. 
In parts of an incti. 
'0-0124' 
Thicknesses measured 
>Minimum =0-010 inch. 
Thicknesses measured ■{ 
> Minimum =0-012 inch. 
0-0138 
0-0126 
0-0116 
0-0120 
^ 0 - 0120 . 
Collapsing pressure =42 lbs. per squaie inch. 
Experiment 7. 
Globe G. Diameters 8-2 and 7-4 inches. 
In parts of an incli. 
'0-0160q 
0-0144 
0-0166 
Thicknesses measured < > Minimum =0-015 inch 
' 0-0158 ' 
0-0164 
^0-0150, 
Collapsing pressure =60 lbs. per square inch. 
