Photographer 



1. keep continuous vjatch on framing, exposure, focus and film 

 supply of all cameras, change film as required 



2. keep watch on the over-all behavior of the model 



3« general instructions for operating 16 ram time-lapse and 35 

 ram Graf lex cameras 



a. operate 16 ram time-lapse Bolex with 15 ram Eastman Cine 

 f-2,7 objective and Type A Kodachrome in 100 foot rolls 

 at the rate of 1 frame per second 



b. operate 35 mm Graflex Photorecord camera with 44 mtn 

 Wollensak f-3.2 objective at air pressure of 22 lbs 

 using 100 foot rolls Type A Kodachrome at the rate of 



1 frame every 7.5 seconds. Synchronize with model clock 



c. operate 35 ram Leica with 12? mm V/ollensak objective 

 f-4.5 at optional intervals during runs to equilibrium 

 and at intervals of approximately one week during wind 

 tests. Include the vicinity immediately adjacent to 

 Freeport Sulphur Company area in field of view. Try to 

 record significant changes or developments of the bleed 

 water patterns. 



4« make serial photographic record of model tests as follows: 



a. run to equilibrium without wind - run both 16 and 35 nm 

 cameras 



b. run to summer wind equilibrium - run both 16 and 35 nim 

 cameras 



c. return to no-wind equilibri\im - no photographs 



d. run to winter wind equilibrium - run both 16 and 35 rom 

 cameras 



e. return to no-wind equilibrium - no photographs 



f . cardinal and intercardinal winds - start 16 and 35 ram 

 cameras when equilibrium is attained, continue photo- 

 graphing until one-half monthly progression of tides has 

 passed. 



5. keep log of photographs and model behavior 



Completion duties 



1. secxire all electrical machinery and lighting equipment 



2. flush model free of distributed acid 



3. dry off land areas with sponges 



4. secure work lights 



