Ap 
100 
sof 
850 
oquor u Pate 
(00,000,000 Pound: 
a0 
30 
WH 
* Rate per 
1.0% Pounds 
Ne 
“91 
40 0 
2 17 
“2 1923 1924 
125.2 128.9 98.5 
Accidents per 100,000,000 Pounds 
1.64 1.11 1.26 
Days Lost per 10,000 Pounds 
1925 
112.7 
1.17 
CuART 51 AccioEnT FREQUENCY AND SEVERITY RATES IN Terms oF Probuction 
FroM 1021 T0 1926 oF 4 COMPANIES MANUFACTURING Brass, Bronze, AND CoPPER 
Propucts. Numser or EMPLOYEES, 14,024 
Accident frequency rate increase ....  -...viern.n.. .48.6 per cent 
Accident severity rate decrease . vur...48.8 “ 
3