A CAMERAMAN'S TROUBLES 201 



on a trip. The grand total was 800 gallons a day. 

 Any one who recognizes the importance of washing 

 in photographic work will appreciate the value of this 

 investment of good labor. 



At the well I had to install a semi-rotary pump in 

 order to bring up good clear water. But, to be on the 

 safe side, every drop was passed through a sand and 

 charcoal filter before going into the barrimal. 



When the water reached the laboratory it was 

 poured into a 500-gallon tank which had a filter at its 

 top. There was still another filter at the bottom 

 through which it ran into a i co-gallon tap, and then 

 into the darkroom. I don't think a modem high- 

 voltage generator would have seemed more compli- 

 cated to my black boys than did all this elaborate 

 arrangement of "black magic" I put together for 

 purifying my photographic water. 



Of coiu'se it was vital to develop all my film right 

 on the spot. I rigged a big tank for the rinsing that 

 followed. A second tank was provided in which the 

 film was cleansed for one hour and a half in running 

 water. Then in a third and last tank the film soaked 

 in water filtered through a special cotton filter I had 

 brought from New York. After fifteen minutes it 

 was then taken to the drying room. 



As the film went on the drying drum it was rim 

 through some fine chamois skins that had been 

 soaked for days in filtered water. This removed all 



