Page 607 radio acoustic ranging 6525 



6525. List of Electric Equipment — East Coast Sono-Radio Buoy 



[The total cost of the listed material is about $150 based on 1940 prices. The material for the construction of the wooden buoy 

 structure in which the East Coast equipment is normally used is listed in 2841 (B).] 



Number 

 Description Size required 



Resistor, I.R.C., BT-1 1 ohm 1 watt._ 1 



Resistor, I.R.C., BT-H 100 ohm ^ watt 1 



Resistors, I.R.C., BT-]4._.. 25,000 ohm H watt 3 



Resistors, I.R.C., BT-H 50,000 ohm 1/2 watt 2 



Resistor, I.R.C., BT-'^A 75,000 ohm >^ watt 1 



Resistors, l.R.C, BT-}4 100,000 ohm 1/2 watt 2 



Resistors, l.R.C, BT-}i 150,000 ohm H watt 2 



Resistors, l.R.C, BT-A 200,000 ohm H watt 2 



Resistor, l.R.C, BT-li 1,000,000 ohm J/^ watt 



Rheostat, Yaxley C20jR 20 ohm 



Condensers, mica, Cornell-Dubilier 3L 0.002 mfd 



Condenser, paper tubular, Cornell-Dubilier X»r-4S25 0.025 mfd 



Condenser, paper tubular. Cornell-Dubilier DT-AP\ 0.1 mfd 



Condenser, paper tubular, Cornell-Dubilier DT-AWl 1.0 mfd 



Condensers, paper. Western Electric 137-A 4.0 mfd 



Conden.ser, variable, Hammerlund j\/C-35-S 35 mmfd. . 



Condenser, variable, Hammerlund A/C-50-A/ 50 mmfd 



Switch, nonshorting, Yaxley 1331 3-gang 11-position 



Switch, Centralab 1461 Single pole 3-position 



Pin jacks, Yaxley 407 One red and one black 



Relay, single-pole double-throw, Eby ER-\2 1,000 ohms 



Sockets, Eby 12.4 4-pin 



Socket, Eby 12B 6-pin 



Socket, Eby 12C 6-pin 



Socket, Ampnenol i?S5: 5-pin 



Socket, Amphenol RSlS 7-pin 



Cable connector, Amphenol PA/5 5-prong (male) 



Cable connector, Amphenol PMl 7-prong (male) 



Transformer, Thordarson 29^56 3:1 interstage 



Transformer, Thordarson 63.171 Line to grid 



Choke, Thordarson 52C98 - 1,080 henries 



Chokes, Hammerlund CH-X 2.1 millihenries 



Crystal and holder... Navy type (see 6513) 



Tube, R.CA Type 30 



Do : Type 32 



Do Type 33 



Do Type 1B5 



Tube, Sylvania or Amperite Type AEl (Ballast) 



Grid caps Medium size 2 



Batteries, Burgess 20F2 A battery 3-volt 2 



Batteries, Burgess 4F2H A battery 3-volt 2 



Batteries, Burgess 5308 B battery 45-volt 6 



Battery, Burgess 5156 .' C battery 2234-volt 1 



Bakelite, for top and bottom of unit 8 by 10 by ^le inches 2 



Bakelite, mounting for cable connectors 2}^ by 4^ by Vis inches 1 



Brass posts, for spacing top and bottom of unit 5V4 by J^^ inches 4 



Brass posts, for supporting cable connector mount Ihy H inch 4 



Hydrophone (See 6561) 1 



Cable, Tyrex Simplex, type SJ,],i2' insulation 2-conductor No. 16 65 ft. 



Cable, color-coded 5-conductor 5 ft. 



Do 7-conductor 5 ft. 



Antenna-coupling housing, brass or galv. iron cylinder, one end solid and other About 3,^2 inches in diameter by Scinches 1 



end with screw cap. long, inside measurements. 



Stuffing tubes. Submarine Signal Co. (for cables from drum and antenna-coupling 54 inch 4 



housing) . 



Copper tubing, hard drawn % inch 18 ft. 



Insulators, house-bracket type, glazed porcelain With single large wood screw mounting 6 



attached. 



Bakelite tubing, for oscillator coil IH by 114 inches 1 



Bakelite tubing, for antenna-coupling coil 21,^2 by 15.4 inches 1 



Wire, solid copper, enameled No. 24 50 ft. 



Miscellaneous Screws, nuts, lumber, wire, solder, solder, 



lugs, and fittings. 



