218 



H. M. JOHNSON AND FRANKLIN C. PASCHAL 



type o. UH JVsthif 



account of Qetcrlo ratio 



May 1, 1919. No. 6827, second lieutenant, Air Service, twenty-five, single, 

 draftsman. 



One hundred and seventy-five hours flying, 140 hours overseas, none over 

 lines. No combats, or crashes. 



Present condition good. Rated as "stale." 



Initial performance: rather rapid, few errors. Effects of early practice incon- 

 sistent. Accurate and fairly rapid. Slight deterioration at about 15th minute, 

 compensated for by increased effort. Deterioration began in 24th minute be- 

 tween 10 and 11 per cent O 2 due first to inaccuracies and later to loss of speed. 

 Removed prematurely by psychologist. Record interesting as example of result 

 of compensatory effort. 



