yr 
wis 
y Tn 
“ity Rate per 
100 Units 
+ 
0.6 roe 
1921 
10° 
| 97 
1923 1924 
28.6 12.1 
Accidents per 10,000 Units 
0.86 6.67 . 6.13 
Days Lost per 100 Units 
nd 
1925 
13.7 
1.27 
CHART 55 AccipENT FREQUENCY AND SEVERITY RATES IN TERMS OF PRODUCTION 
From 1921 10 1926 oF 3 CoMPANIES MANUFACTURING FINE SPECIALTY MACHINES. 
Nuwmser oF EMPLOYEES, 5,542 
Accident frequency rate increase .....................32.3 per cent 
Accident severity rate increase . cc vss wees BONB “ 
6