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$480.00
Lafayette Instrument PCASS Portable Polygraph Juniper Allegro MX MSRP: $7498!
$149.95
GRASS Instruments 7P1F Low Level DC Pre Amplifier for Polygraph Lie Detector
$2,195.00
Lafayette Instrument PCASS Portable Polygraph Juniper Allegro MX MSRP: $7498!
$149.95
Vintage Laboratory Polygraph Machine Grass Instruments DC Driver Amplifier 7DAF
$900.00
Stoelting Executive UltraScribe Polygraph Lie Detector Instrument
$5,499.99
New ListingLafayette Instrument LX4000 Polygraph Machine, Printer, Calibrator, Accessories
$949.00
Keeler Model 301 Lie Detector Polygraph Instrument Vintage 30119
$27.99
Polygraph Graphic Controls Chart Recorder Fast Dry Ink less than 1 Pint Blue
$999.99
Lafayette Instrument PCASS Portable Polygraph Juniper Allegro MX MSRP: $7498!
$399.95
Contact Precision Instruments Research Lab Polygraph PSYLAB System 5 Components
$30.00
Grass Instruments Polygraph Tachnograph Pre-Amp 7P44D/Tube D.C. Driver Amp 7DAC
$100.00
Grass Instruments 7P1G Low-Level DC Pre Amplifier & Polygraph 7DAG Driver
$45.00
Grass Instrument Polygraph Low-Level D.C. Pre-Amp 7P1L/Tube D.C. Driver Amp 7DAC
$149.95
Grass Instruments 7P1F Low-Level D.C. Pre-Amplifier for Polygraph System
$149.95
GRASS Instruments Polygraph D.C. Driver Amplifier 7DAF for Lie Detector Machine
$149.95
Grass Instruments 7P1F Low-Level D.C. Pre-Amplifier for Polygraph System
$135.00
Grass Instruments Polygraph Integrator Model 7P10-F *Brand new
$48.00
Grass Instrument Co Polygraph 7P3B Wide-Band A.C. Pre-Amplifier & Integrator
$36.00
Grass Instruments Polygraph Tachnograph Pre-Amp 7P44D/Tube D.C. Driver Amp 7DAC
$32.00
Grass Instruments Polygraph Tachnograph Pre-Amp 7P44D/Tube D.C. Driver Amp 7DAC
$99.99
GRASS INSTRUMENTS POLYGRAPH DIFFERENTIATOR MODEL 7P20C
$149.95
Grass Instruments Co - Polygraph D.C. Driver Amplifier 7DAG & Pre-Amplifier 7P1G
$10.00
Graphic Controls Corp, One Roll of Chart Paper for 6-inch Polygraph Lafayette
$19.00
Grass Instrument Co Polygraph Low-Level D.C. Pre-Amp 7P1F/Tube Driver Amp 7DAC
$15.00
Grass Instrument Co Polygraph Low-Level D.C. Pre-Amp 7P1F/Tube Driver Amp 7DAC
$38.00
Grass Instruments Polygraph Tachnograph Pre-Amp 7P44D/Tube D.C. Driver Amp 7DAC
$120.00
Grass Instruments 7P1F Low-Level DC Pre Amplifier & Polygraph 7DAG Driver
$44.99
GRASS INSTRUMENTS POLYGRAPH D.C. DRIVER AMPLIFIER 7DAG
$199.95
GRASS Instruments RPS 7C8 Regulated Power Supply for Polygraph System
$149.99
Grass Instruments Polygraph D.C. Driver Amplifier 7DAK w/ Pre-Amplifier 7P1F
$149.95
GRASS Instruments Polygraph D.C. Driver Amplifier 7DAF for Lie Detector Device
$199.95
GRASS Instruments Polygraph D.C. Driver Amplifier 7DAG for Vintage Lie Detector
$39.00
Grass Instruments Polygraph Tachnograph Pre-Amp 7P44D/Tube D.C. Driver Amp 7DAC
$35.00
Grass Instrument Co Polygraph Low-Level D.C. Pre-Amp 7P1F/Tube Driver Amp 7DAC
$149.95
Grass Instruments 7DA Polygraph D.C. Driver Amplifier Polygraphs
$28.00
Grass Instrument Co Polygraph Integrator 7P1F Low-Level D.C. Pre-Amplifier
$200.00
Grass Instruments Polygraph Integrator Model 7P10-F &F
$18.00
Grass Instrument Co Polygraph Low-Level D.C. Pre-Amp 7P1E/Tube Driver Amp 7DAC
$149.95
GRASS Instruments Low-Level D.C. Pre-Amplifier 7P1G for Polygraph System
$299.95
GRASS Instruments Model SMT7C Module from Vintage Polygraph Device w/ Handpiece
$34.00
Grass Instrument Co Polygraph Low-Level D.C. Pre-Amp 7P1F/Tube Driver Amp 7DAC
$30.00
Grass Instrument Co Polygraph Low-Level D.C. Pre-Amp 7P1F/Tube Driver Amp 7DAC
$220.00
Grass Instrument Polygraph Differentiator 7P20-C
$15.00
Associated Research Inc. One Roll of Chart Paper for 6-inch Keeler Polygraph
$49.99
Grass Instruments 7DAG Polygraph DC Driver Amplifier & 7P1J DC Pre-Amplifier
$199.95
GRASS Instruments RPS7C8 Regulated Power Supply Lab Polygraph Rack Mount Device
$13.00
Stoelting Brand One Roll of Chart Paper for 10 inch Stoelting Polygraph
$35.00
Grass Instrument 7P1G Polygraph Low Level D.C. Pre-Amplifier, Rack Mountable #2
$199.95
GRASS Instruments Low Level D.C. Amplifier 7P122G for Vintage Polygraph Machine
$195.00
Grass Instruments 7DAH Polygraph DC Driver Amplifier & 7P1F DC Pre-Amplifier
$199.95
GRASS Instruments 7P122D Low Level D.C. Amplifier Vintage Polygraph Laboratory
$140.00
Grass Instrument 7DAF Polygraph DC Driver Amplifier & 7P1DE DC Pre-Amplifier a1
$299.95
GRASS Instruments WK-6-23C3/8 Patch Cable Unit for Vintage Polygraph Machine
$40.00
Grass Instrument 7P1G Polygraph Low Level D.C. Pre-Amplifier, Rack Mountable #2
$399.95
GRASS Instruments Electrical Distribution Strip 79PDD-4-5AUX for Polygraph Unit
$195.00
Grass Instruments 7DAG Polygraph DC Driver Amplifier & 7P1DE DC Pre-Amplifier
$165.00
Grass Instruments 7DAF Polygraph DC Driver Amplifier & 7P1E DC Pre-Amplifier
$200.00
Grass LOW-LEVEL D.C. PRE-AMPLIFIER W/ POLYGRAPH D.C. DRIVER AMPLIFIER
$199.95
GRASS Instruments Low Level D.C. Amplifier 7P122G Vintage Laboratory Polygraph
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