2,102 results in Business & Industrial
New
NEW Replace 2920 2910 2720 2750 Quartz Glass Tube for Chemisorption Analyzer
USD $39.30
Seller: 100.0% positive
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New
1PC New For Olympus Endoscopes Portable Endoscope Leak Tester
USD $84.95
Seller: 100.0% positive
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Brand New
Amptata T3 Vacuum Tube Tester 7591 7591A Bias Current Checker mA Model Octal New
USD $59.75
Seller: 98.6% positive
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For parts or not working
CRT Tube Tester Homebrew? Kit? Vacuum Valve Tester
USD $56.00
Seller: 99.7% positive
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Used
Superior Instruments Model TV-11 Tube Tester working with instruction sheet
USD $150.00
Seller: 99.7% positive
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Used
TV-7 TV-7A/U TV-7B/U TV-7C/U TV-7D/U tube tester "shunt" original potentiometer
USD $48.00
Seller: 100.0% positive
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For parts or not working
Eico 666 Vintage Tube and Transistor Tester + Manuals (needs work, please read)
USD $135.00
Seller: 100.0% positive
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Used
Heathkit Assembly Manual Communications Type Receiver Model AR-3
USD $15.00
Seller: 100.0% positive
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Used
Heathkit Assembly Manual Frequency Counter IB-101 595-1278-04 1970 PB
USD $22.95
Seller: 99.5% positive
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Used
Yaesu FT-767GX Technical Supplement Manual Original
USD $25.00
Seller: 100.0% positive
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New
Amptata T1 Tube Tester Bias Current KT88 EL34 6L6 KT100 6550 6V6 5881 KT66 mA
USD $65.96
Seller: 98.3% positive
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Used
Vintage PA Cathode Meter w/ box
USD $3.34
Seller: 99.8% positive
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New
Amptata T1 Valve Checker Bias Current Tester Tube mA Match Tool 7591 7591A
USD $62.00
Seller: 100.0% positive
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Used
B&K Cathode Ray Tube Model 466 CRT Tester Rejuvenator Dynascan Adapters Manuals
USD $99.99
Seller: 98.7% positive
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Used
Original Heathkit TC-2 tube Tester original - BLACK SLIDER KNOB
USD $24.50
Seller: 99.7% positive
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New
Set Kelvin Clip for LCR Meter with 4 Banana plug Test Wires 2 Alligator clips
USD $20.44
Seller: 100.0% positive
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New – Open box
Mercury 1101K Tube Tester Assembly Manual
USD $13.99
Seller: 99.9% positive
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Used
Vacuum tube substitution guide by Colonial merchandising Corp.
USD $4.99
Seller: 100.0% positive
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New
Amplifier EL84 6P14 6BQ5 Amptata T5 Vacuum Tube Tester Bias Current mA Version
USD $35.30
Seller: 100.0% positive
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Used
E-Z Tube Tester, E-Z Tester Co. 1950's w 39 Test Cards, Tube List & Instructions
USD $12.00
Seller: 100.0% positive
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Used
Vintage US Army Signal Corps Dynamics Mutual Conduct I-177-B Vacuum Tube Tester
USD $299.99
Seller: 99.4% positive
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For parts or not working
Antique Weston Model 682 Tube Tester Parts Only
USD $29.99
Seller: 99.8% positive
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Used
Vtg Sterling R-510 Tube Tester & Reactivator Untested Cleveland Ohio USA
USD $55.00
Seller: 100.0% positive
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For parts or not working
Heathkit Model TC1 Tube Tester Front Panel, Sockets & Switches For Parts As Is
USD $19.99
Seller: 99.8% positive
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New – Open box
Hickok Cardmatic 29 pcs. NOS Unpunched Cards
USD $75.00
Seller: 99.6% positive
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Used
B&K Precision CR-6 CRT Tube Tester Socket Adapter 467 470 480 490 SP-65 SP-66
USD $15.00
Seller: 100.0% positive
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Used
Sencore Model CG19 Caddy Bar Generator Pattern Selector Color Output No. 764577
USD $42.49
Seller: 99.6% positive
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Very Good
COPY OF CA-5 OPERATING DATA FOR HICKOK MODEL 6000-6005 ROLL CHART TUBE TESTER
USD $9.99
Seller: 100.0% positive
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Brand New
Amptata V8 Vacuum Tube Tester Bias Current Checker mA Model EL84 6BQ5 6P14 Tool
USD $79.67
Seller: 98.6% positive
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New
1PCS BET Sample Tube Measuring Sample Quartz Glass Tube ASAP2020 ASAP2460
USD $58.95
Seller: 100.0% positive
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New
Assembled EM-GM Tube Tester Board DIY Vacuum Tube Testing Kit Not Assembled JP
USD $446.57
Seller: 100.0% positive
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Used
Used
VTG PRECISION APPARATUS MULTI RANGE TESTER / MODEL 844 /UNTESTED / NEEDS BATTERY
USD $49.00
Seller: 100.0% positive
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New
*USA* True Hickok 6000B Dynamic Tube Tester Complete Instruction Manual
USD $20.00
Seller: 100.0% positive
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For parts or not working
Vintage Commercial Trades Institute TC-20 Vacuum Tube Tester READ
USD $52.99
Seller: 99.7% positive
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Very Good
COPY OF CA-5 OPERATING DATA FOR THE HICKOK MODEL 1575 ROLL CHART TUBE TESTER
USD $9.99
Seller: 100.0% positive
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New
Hickok 752 Tube Tester Complete Manual with Tube Data +CA4 Data
USD $16.99
Seller: 99.9% positive
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New
Hickok 600 Early Version Tube Tester Manual
USD $13.99
Seller: 99.9% positive
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Used
Triplett Transistor Tester Model 2590 Vintage Test Equipment Untested
USD $360.00
Seller: 99.3% positive
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For parts or not working
NRI Model 112 Professional RC Tester
USD $79.88
Seller: 99.6% positive
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Used
Heathkit Amateur VFO Assembly Manual HG-10 ORIGINAL!
USD $20.00
Seller: 100.0% positive
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Used
Vintage P.O.C TESTER Model ST-723 / MOG (E39) made in USA!
USD $9.74
Seller: 100.0% positive
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For parts or not working
Philco Model 7050 Vacuum Tube Tester
USD $85.00
Seller: 99.1% positive
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For parts or not working
Vintage B & K CRT Cathode Rejuvenator Tester Model 350 - UNTESTED
USD $29.99
Seller: 99.9% positive
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New
Precision 10-12 Tube Tester Meter Scale Faceplate (Earlier Version)
USD $6.95
Seller: 100.0% positive
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Used
B&K 666 Dyna Jet Tube Tester Vintage Antique Radio Repair USA Service Vacuum
USD $159.99
Seller: 100.0% positive
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Used
Precision Apparatus Series 612 Tube&Battery Tester–Works,Tube Function Tested VG
USD $225.00
Seller: 100.0% positive
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Used
Sencore CR133 Cathode Ray Tube Tester Vintage Television TV TUBE REPAIR
USD $129.99
Seller: 98.6% positive
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