ScaiLe rediding in cms. 
]78 PKOF. TKOUTON AXD MR. NOBLE ON THE MECHANICAL FORCES ACTINO 
AnnAijsia of tin. 
Curve. 
' Left . 
23-l() 21-05 19-75 
/\ /\, / 
Readinyis of extremes < 
/ 
" \ / \ / 
\/ \/_ 
14-85 lG-3< 
Vmplitiides :— 1 ri 1 
Ratios :— 
Amplitude X ; :— 
G-38 
8-25 
1-35 
4-74 
G-20 
1-33 
3 -5G 
4-68 
1-33 
2-69 
3-38 
1-38 
1-94 
iMean 
1-35 
