LIST OF FIGURES 



Figure 



1 The Three Racks of a Completed Station 



2 Rack One, Front View 



3 Rack One, Rear View 



4 Rack One, Shelf Two 



5 Rack One, Shelves Three and Four 



6 Rack Two, Front View 



7 Rack Two, Rear View . ( 



8 Rack Two, Automatic Switching Unit and Slow-Speed Sound 



Level Recorder 



9 Rack Three, Front View 



10 Rack Three, Rear View 



11 Rack Three, Chronometer and Hi-Speed Sound Level Recorder 



12 Rear View, Time Tone Amplifier 



13 Top View, Time Tone Amplifier 



14 Bottom View, Time Tone Amplifier 



15 Time Tone Amplifier Power Supply 



16 Bottom View, Time Tone Amplifier Power Supply 



17 Automatic Switching Unit 



18 Rear View, Automatic Switching Unit 



19 Bottom View, Automatic Switching U nit 



20 7 v, DC Power Supply 



21 Bottom View, 7 v, DC Power Supply 



22 Graphic Level Recorder as Delivered 



23 Recorder with Timing Stylus in Place 



24 Front View of Timing Stylus Mechanism 



25 Bottom View of Timing Stylus Mechanism 



26 End View of Timing Stylus Mechanism 



27 Shot Arrival Time E valuator 



28 .. Monitor Speakar in-Cabinet 



29 ' Frequency Response of 200 Cycle Low Pass Filter for-121A Amplifier 



30 Frequency Response of 120B Amplifier 



31 Frequency Response of 124A Amplifier with Low Frequency Equalizer 



32 Frequency Response of Modified Mirrophone Magnetic Tape Recorder 



33 Frequency Response of Modified Caltron Magnetic Tape Recorder 



34 Frequency Response of Phone Monitor Amplifier and Equalizer 



35 Frequency Response of Automatic Switching Amplifier and Equalizer 



36 Frequency Response of 500 Cycle Low Pass Filter for 121A Amplifier 



37 - Frequency Response of 1500 Cycle Low Pass Filter for 121A Amplifier 



38 ' Functional Diagram S0FAR U.W, Sound Rec Sys„ 



39 WoE. 120B Ampl„ Mod, 



40 WoE, 121A Ampl, Mod, 



41 18A Pwr„ Sup, Mod„ 



42 7 Volt DC Power Supply 



