TABLE III 

 COMPONENTS FOR 25-FOOT FIVE-SECTION FRESH-WATER SERIES-RESISTANCE GAGE 



1. Strip-Chart Recorder Brush #RD-2321-00. Order with following 1 ea. 

 modifications: single channel operation with 50 ram chart width. 



Old style penmotor #BL 902 and long pen #BL 921. 



2. Chart rewind Brush #RA-2402-10 1 ea. 



3. Constant voltage power supply 48-52 volts 100 ^dA Technipower 

 #M-50.0 - 0.100, or equal. 



4. Toggle Switch SPST AH§H #20994-BF 2 ea 



5. Potentiometer 1.5K Mallory #M1.5MPK, or equal 1 ea. 



6. Potentiometer 2K Mallory M2MPK, or equal 1 ea. 



7. Relay Potter Brumfield #KR HAG, or equal 1 ea. 



8. Plug amphenol #80 PC2F, or equal 2 ea. 



9. Plug amphenol 80 MC2M 2 ea. 



10. Cord set Belden 17408-SJ, or equal 3 ea. 



11. Binding post, Superior type DF30 black 1 ea. 



12. Binding post, Superior Type DF 30 red 1 ea. 



13. Aluminum chassis Bud #AC-411, or equal 1 ea. 



14. Time switch Tork Hourmaster #4100, or equal 1 ea. 



15. Socket amphenol #160-10 3 ea. 



16. Epoxy resin Scotchcast #2 42 lbs. 



17. Precision Resistors Wirewound 190 type TX 2212 Precision 125 ea. 

 Resistor Co. 109 U.S. Highway, Hillside, N.J., (see 



Tables 1 and II) . 



18. Cable 2-conductor #20 AWG with 2 High-strength steel members. 110 ft. 

 Neoprene outer sheath. Marsh ^ Marine Co. Houston, Texas, 



Type #TPSC, or equal. 



19. Bar solder 50/50 tin-lead for lead sensing tips 6 lbs, 



20. Bare copper wire tinned #18 AWG 50 ft. 



21. Cable 2-conductor #16. Length as required to connect wave 

 staff site to recording site. 



NOTE; Steel "H" beam is needed for holder for epoxy gage sections. 



15 



