474 



INFLUENCE OF FOOD PRESERVATIVES ON HEALTH. 



Amount and composition offecesfor the fore period of Series V, for F. C. W., No. 



a No movement. i> Lost. 



Amount and composition of urine for the fore period of Series V, for F. C. W., No. 



a Urine at 25 C. compared with water at 25 C. 



ESTIMATE OF WORK INVOLVED. 



To give an idea of the volume of work involved in this investigation the following 

 approximate estimate is given of the number of samples analyzed and the number 

 of record and calculation forms used, though this but inadequately represents the 

 detail of the work in all its phases, when it is remembered that upon each sample 

 determinations were made for water, nitrogen, phosphoric acid, and calories. 



Number of samples analyzed, etc. 

 [Number of days of observation, 196. ] 



Food samples 2, 550 



Urine samples 1, 175 



Feces samples 1, 175 



Microscopical examinations: 



Urine 125 



Blood.. 60 



Total 5, 085 



Number of record sheets, balances, etc. 



Menu sheets 3, 618 



Daily charts (pulse, temperature, etc. ) 1, 206 



Food sheets: 



Amount and composition 1, 206 



Calculation to fresh substance , 75 



Feces sheets: 



Amount and composition 35 



Calculation to fresh substance 65 



Urine sheets 20 



Balance tables.. 200 



Total.. 6,425 



