TABLE A6. COMPARISON OF V„ DETERMINATIONS BY THE FOUR 

 LABORATORIES AND THE MANUFACTURER. 



Data expressed in degrees Centigrade. 



Group 

 I 



Group 

 II 



Group 

 III 



Group 

 IV 



(i) No data furnished 



(2) Failed to reproduce on second test 



(3) Gas 



(4 ) Thermometer malfunction 



39 



