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VINTAGE LEEDS & NORTHRUP TEST SET MODEL 5430-A
VINTAGE LEEDS & NORTHRUP TEST SET MODEL 5430-A

$109.99

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Vintage Leeds & Northrup GENRAD 4746 Decade Resistance Box Working
Vintage Leeds & Northrup GENRAD 4746 Decade Resistance Box Working

$55.00

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Leeds & Northrup 7673 Thermionic Amplifier Vintage Potentiometer Analog Meter
Leeds & Northrup 7673 Thermionic Amplifier Vintage Potentiometer Analog Meter

$299.95

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Vintage 1977 Obsolete LEEDS & NORTHRUP DEPUTY FIRE DEPT. Badge/WALLET/ID Holder!
Vintage 1977 Obsolete LEEDS & NORTHRUP DEPUTY FIRE DEPT. Badge/WALLET/ID Holder!

$149.99

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VINTAGE LEEDS & NORTHRUP TEST SET MODEL 5430-AM-1
VINTAGE LEEDS & NORTHRUP TEST SET MODEL 5430-AM-1

$29.99

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Vintage Leeds and Northrup ENF Potentiometer Antique 7581 Volt Box GR Wood ~Tube
Vintage Leeds and Northrup ENF Potentiometer Antique 7581 Volt Box GR Wood ~Tube

$49.95

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Vintage Leeds & Northrup Resistor
Vintage Leeds & Northrup Resistor

$200.00

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VINTAGE LARGE LEEDS & NORTHRUP 1032236 RESISTANCE WHEATSTONE BRIDGE US AIR FORCE
VINTAGE LARGE LEEDS & NORTHRUP 1032236 RESISTANCE WHEATSTONE BRIDGE US AIR FORCE

$499.99

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VINTAGE LEEDS & NORTHRUP RESISTANCE STANDARD FREE SHIPPING
VINTAGE LEEDS & NORTHRUP RESISTANCE STANDARD FREE SHIPPING

$68.00

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Vintage Leeds + Northrup Millivolt Potentiometer/Galvanometer Model 8690
Vintage Leeds + Northrup Millivolt Potentiometer/Galvanometer Model 8690

$26.89

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🍊Vintage 1960s Leeds & Northrup Percent of Range DC Microvolts | POWERS ON!
🍊Vintage 1960s Leeds & Northrup Percent of Range DC Microvolts | POWERS ON!

$60.00

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Vintage Leeds & Northrup Co. Galvanometer
Vintage Leeds & Northrup Co. Galvanometer

$46.00

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Leeds Northrup Temperature Deviation Controller 0-2000° F Vintage #002A20
Leeds Northrup Temperature Deviation Controller 0-2000° F Vintage #002A20

$350.00

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NEW Vintage Leeds & Northrup 8690-2 Millivolt Potentiometer
NEW Vintage Leeds & Northrup 8690-2 Millivolt Potentiometer

$100.00

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VINTAGE LEEDS & NORTHRUP POTENTIOMETER SCIENTIFIC TESTING INSTRUMENT/METER
VINTAGE LEEDS & NORTHRUP POTENTIOMETER SCIENTIFIC TESTING INSTRUMENT/METER

$89.96

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Vintage Weston Cell Eppley Laboratory, Antique Leeds & Northrup Standard Battery
Vintage Weston Cell Eppley Laboratory, Antique Leeds & Northrup Standard Battery

$79.95

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Vintage Leeds + Northrup Model 8686 Millivolt Potentiometer NICE
Vintage Leeds + Northrup Model 8686 Millivolt Potentiometer NICE

$36.00

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Leeds & Northrup Philadelphia Test Set Potentiometer Galvanometer Meter Vintage
Leeds & Northrup Philadelphia Test Set Potentiometer Galvanometer Meter Vintage

$14.95

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VINTAGE LEEDS & NORTHRUP 099012 REGULATED REFERENCE POWER SUPPLY
VINTAGE LEEDS & NORTHRUP 099012 REGULATED REFERENCE POWER SUPPLY

$20.00

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VINTAGE Leeds & Northrup Normal Cell 1.019V Reference Weston Type Working 1930's
VINTAGE Leeds & Northrup Normal Cell 1.019V Reference Weston Type Working 1930's

$385.00

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Vintage Leeds & Northrup ~ Decade Resistor Box ~ #75947
Vintage Leeds & Northrup ~ Decade Resistor Box ~ #75947

$75.00

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Vintage Leeds & Northrup Potentiometer
Vintage Leeds & Northrup Potentiometer

$40.00

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Vintage Leeds and Northrup Potentiometer Antique Science Equipment
Vintage Leeds and Northrup Potentiometer Antique Science Equipment

$100.00

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Vintage Leeds & Northrup Reflecting Galvanometer 2500F Type R 1930s/40s
Vintage Leeds & Northrup Reflecting Galvanometer 2500F Type R 1930s/40s

$69.00

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Vintage Leeds & Northrup 1540 Mutual Inductance Bridge: 50 Millihenrys
Vintage Leeds & Northrup 1540 Mutual Inductance Bridge: 50 Millihenrys

$45.00

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Vintage Leeds & Northrup Potentiometer Coil Scientific Part Brass Base
Vintage Leeds & Northrup Potentiometer Coil Scientific Part Brass Base

$95.00

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Vintage Leeds & Northrup Kelvin Bridge 4286 Ohmmeter Precision Type in Oak Case
Vintage Leeds & Northrup Kelvin Bridge 4286 Ohmmeter Precision Type in Oak Case

$40.00

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Vintage LEEDS & NORTHRUP 4340 Slide Wire Wheatstone Resistance Bridge, Pristine!
Vintage LEEDS & NORTHRUP 4340 Slide Wire Wheatstone Resistance Bridge, Pristine!

$269.10

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Leeds & Northrup Students Potentiometer 7645 Vintage Laboratory Trainer
Leeds & Northrup Students Potentiometer 7645 Vintage Laboratory Trainer

$99.95

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Vintage Leeds & Northrup L&N No. 5305 Test Instrument Resistance Bridge
Vintage Leeds & Northrup L&N No. 5305 Test Instrument Resistance Bridge

$79.97

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Vintage Leeds & Northrup Resistance Decade Box Test Meter Panel Lab USA #1001971
Vintage Leeds & Northrup Resistance Decade Box Test Meter Panel Lab USA #1001971

$184.00

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VINTAGE LEEDS & NORTHRUP THERMOMETER BRIDGE MODEL 8068
VINTAGE LEEDS & NORTHRUP THERMOMETER BRIDGE MODEL 8068

$49.95

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Vintage Leeds & Northrup 8657-C Temperature Potentiometer Untested
Vintage Leeds & Northrup 8657-C Temperature Potentiometer Untested

$100.00

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Vintage Leeds and Northrup Co Electric Motor 110volt 20amp 1800 RPM With Pulley
Vintage Leeds and Northrup Co Electric Motor 110volt 20amp 1800 RPM With Pulley

$22.99

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Vintage Leeds & Northrup 4737 ~ Guarded Wheatstone Bridge ~ Untested / AS-IS
Vintage Leeds & Northrup 4737 ~ Guarded Wheatstone Bridge ~ Untested / AS-IS

$269.79

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Vintage Leeds Northrup Panel Potentiometer Linear Wirewound 50-Ohm
Vintage Leeds Northrup Panel Potentiometer Linear Wirewound 50-Ohm

$14.95

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vintage leeds & northrup 5305 resistance test set galvanometer bridge [4*U-18]
vintage leeds & northrup 5305 resistance test set galvanometer bridge [4*U-18]

$75.00

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Vintage -Leeds & Northrup -Potentiometer & Galvanometer, In Wood Box - UN-Tested
Vintage -Leeds & Northrup -Potentiometer & Galvanometer, In Wood Box - UN-Tested

$49.99

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Vintage Leeds & Northrup Decade Resistor, Cat. No. 4775 - Tested
Vintage Leeds & Northrup Decade Resistor, Cat. No. 4775 - Tested

$50.00

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Vintage Leeds & Northrup Co Reflecting Galvanometer UNTESTED PARTS OR REPAIR
Vintage Leeds & Northrup Co Reflecting Galvanometer UNTESTED PARTS OR REPAIR

$39.99

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Vintage LEEDS & NORTHRUP Historic Lab Voltage Slide Wire Potentiometer K2 Device
Vintage LEEDS & NORTHRUP Historic Lab Voltage Slide Wire Potentiometer K2 Device

$599.99

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Vintage Leeds & Northrup Potentiometer model 8662 in Original Wood Box, 1950's
Vintage Leeds & Northrup Potentiometer model 8662 in Original Wood Box, 1950's

$100.00

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Vintage Leeds & Northrup Electromax III
Vintage Leeds & Northrup Electromax III

$89.99

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Vintage Leeds & Northrup Temperature Potentiometer 8693-2
Vintage Leeds & Northrup Temperature Potentiometer 8693-2

$25.00

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Leeds & Northrup Type S Test Set #5300 , Vintage - Very good condition.
Leeds & Northrup Type S Test Set #5300 , Vintage - Very good condition.

$225.00

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Vintage Leeds & Northrup 8690 EMF Millivolt Potentiometer Galvanometer
Vintage Leeds & Northrup 8690 EMF Millivolt Potentiometer Galvanometer

$49.99

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Vintage Leeds & Northrup 8633-F
Vintage Leeds & Northrup 8633-F

$45.00

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2 vintage LEEDS & NORTHRUP 2340-C ohms ohm tester meter calibration *PLEASE
2 vintage LEEDS & NORTHRUP 2340-C ohms ohm tester meter calibration *PLEASE

$42.50

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VINTAGE LEEDS & NORTHRUP/ GENRAD 4746 DECADE RESISTANCE BOX TESTED AND WORKING
VINTAGE LEEDS & NORTHRUP/ GENRAD 4746 DECADE RESISTANCE BOX TESTED AND WORKING

$137.46

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Beautiful Vintage Leeds & Northrup Co Potentiometer Indicator untested As Is
Beautiful Vintage Leeds & Northrup Co Potentiometer Indicator untested As Is

$177.46

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Vintage WWII Era Workers Badge Leeds & Northrup CO. Philadelphia Pinback Button
Vintage WWII Era Workers Badge Leeds & Northrup CO. Philadelphia Pinback Button

$59.99

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Vintage Leeds and Northrup Thermocouple Calibrator Potentiometer
Vintage Leeds and Northrup Thermocouple Calibrator Potentiometer

$80.00

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Vintage Leeds Northrup Trucker Hat Snapback Cap Black Cordury
Vintage Leeds Northrup Trucker Hat Snapback Cap Black Cordury

$23.99

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Vintage Leeds &northrup Co. Resistor Tester Used
Vintage Leeds &northrup Co. Resistor Tester Used

$85.00

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Leeds & Northrup 4020-B 1 OHM Standard Resistor 1694461
Leeds & Northrup 4020-B 1 OHM Standard Resistor 1694461

$115.99

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leeds Northrup vintage electronics
leeds Northrup vintage electronics

$75.00

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Vintage Galvanometer L&N Leeds & Northrup Type S Test Set No. 5300 in Case
Vintage Galvanometer L&N Leeds & Northrup Type S Test Set No. 5300 in Case

$85.00

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Antique Leeds & Northrup Model KS-13842 Potentiometer Bridge
Antique Leeds & Northrup Model KS-13842 Potentiometer Bridge

$39.00

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Vintage LEEDS & NORTHRUP VOLT BOX CAT 7582 750 OHMS/VOLT POTENTIOMETER
Vintage LEEDS & NORTHRUP VOLT BOX CAT 7582 750 OHMS/VOLT POTENTIOMETER

$34.89

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Galvanometer vintage Leeds & Northrup Scientific Instrument (W-28)
Galvanometer vintage Leeds & Northrup Scientific Instrument (W-28)

$49.95

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Vintage Leeds Northrup Panel Mount Potentiometer Test Equipment Or Radio 38 Ohms
Vintage Leeds Northrup Panel Mount Potentiometer Test Equipment Or Radio 38 Ohms

$24.95

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Leeds & Northrup 177209 Issue 2 - 9912 Run-Up Box Directions Manual Vintage
Leeds & Northrup 177209 Issue 2 - 9912 Run-Up Box Directions Manual Vintage

$17.95

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Leeds & Northrup Wheatstone Bridge Type S Test Set 5300 - Vintage and Gorgeous
Leeds & Northrup Wheatstone Bridge Type S Test Set 5300 - Vintage and Gorgeous

$179.49

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VINTAGE LEEDS & NORTHRUP 7553 TYPE K3 UNIVERSAL POTENTIOMETER FREE SHIPPING
VINTAGE LEEDS & NORTHRUP 7553 TYPE K3 UNIVERSAL POTENTIOMETER FREE SHIPPING

$149.99

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Vintage Leeds & Northrup Potentiometer— Refinished Solid Oak Box
Vintage Leeds & Northrup Potentiometer— Refinished Solid Oak Box

$135.00

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vintage CHECK COIL 115043 LEEDS & NORTHRUP Salt Concentration single unit
vintage CHECK COIL 115043 LEEDS & NORTHRUP Salt Concentration single unit

$25.50

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Vintage Leeds & Northrup 8690-2 Millivolt Potentiometer
Vintage Leeds & Northrup 8690-2 Millivolt Potentiometer

$55.00

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Vintage Leeds & Northrup 3338-1 synchronous Converter 50-60
Vintage Leeds & Northrup 3338-1 synchronous Converter 50-60

$9.99

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Vintage June 1941 Leeds & Northrup Employees Handbook Philadelphia 87 Pages
Vintage June 1941 Leeds & Northrup Employees Handbook Philadelphia 87 Pages

$22.50

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Leeds & Northrup Multirange Potentiometer Indicator - Vintage electronic test eq
Leeds & Northrup Multirange Potentiometer Indicator - Vintage electronic test eq

$80.00

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Vintage NEW LEEDS & NORTHRUP 3051-3-0-1-12-25
Vintage NEW LEEDS & NORTHRUP 3051-3-0-1-12-25

$14.98

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Vintage Leeds & Northrup 4725 Wheatstone Bridge Manual
Vintage Leeds & Northrup 4725 Wheatstone Bridge Manual

$21.99

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VINTAGE Leeds & Northrup Type S Test Set 5300 Wheatstone Bridge *USED WORKING*
VINTAGE Leeds & Northrup Type S Test Set 5300 Wheatstone Bridge *USED WORKING*

$175.00

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Leeds Northrup Temperature Potentiometer / Galvanometer Cat. No. 8693
Leeds Northrup Temperature Potentiometer / Galvanometer Cat. No. 8693

$59.95

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LEEDS & NORTHRUP 4300 Adjustable Resistance Standard Power Meter, Vintage!!
LEEDS & NORTHRUP 4300 Adjustable Resistance Standard Power Meter, Vintage!!

$750.00

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*Vintage L&N LEEDS & NORTHRUP DC NULL DETECTOR CAT NO 9834-1
*Vintage L&N LEEDS & NORTHRUP DC NULL DETECTOR CAT NO 9834-1

$44.95

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Vintage LEEDS & NORTHRUP 5305 Wheatstone Bridge Meter in Wood Case NICE!!!
Vintage LEEDS & NORTHRUP 5305 Wheatstone Bridge Meter in Wood Case NICE!!!

$75.00

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Vintage Leeds & Northrup Co Potentiometer Indicator w/wood case 1189414
Vintage Leeds & Northrup Co Potentiometer Indicator w/wood case 1189414

$84.00

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Vintage Leeds & Northrup Co Potentiometer Indicator w/wood case
Vintage Leeds & Northrup Co Potentiometer Indicator w/wood case

$125.00

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Vintage Leeds & Northrup Model 7554 Type K-4 Potentiometer LARGE FRONT KNOB
Vintage Leeds & Northrup Model 7554 Type K-4 Potentiometer LARGE FRONT KNOB

$17.50

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Leeds & Northrup Volt Box ~ No. 7581 ~ Circa 1930
Leeds & Northrup Volt Box ~ No. 7581 ~ Circa 1930

$90.00

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Vintage 1927 Leeds & Northrup Co Electrolytic Conductivity Measurements Catalog
Vintage 1927 Leeds & Northrup Co Electrolytic Conductivity Measurements Catalog

$50.00

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Antique Leeds & Northrup Single Range Potentiometer Indicator (PART)
Antique Leeds & Northrup Single Range Potentiometer Indicator (PART)

$30.00

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Vintage Leeds & Northrup Potentiometer - Early Tube Equipment 1920/30s Era
Vintage Leeds & Northrup Potentiometer - Early Tube Equipment 1920/30s Era

$75.00

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Vintage Leeds & Northrup No. 4282 Ohmmeter — Solid Oak Box
Vintage Leeds & Northrup No. 4282 Ohmmeter — Solid Oak Box

$135.00

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Vintage Leeds & Northrup 7553 Type K-3 Universal Potentiometer + Cover + Manual
Vintage Leeds & Northrup 7553 Type K-3 Universal Potentiometer + Cover + Manual

$125.00

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LEEDS & NORTHRUP 8064-A RESISTANCE THERMOMETER BRIDGE VINTAGE INDUSTRIAL SURPLUS
LEEDS & NORTHRUP 8064-A RESISTANCE THERMOMETER BRIDGE VINTAGE INDUSTRIAL SURPLUS

$62.99

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Vintage Leeds & Northrup Co Potentiometer In Wooden Case U.S.N. Mech & Aerospace
Vintage Leeds & Northrup Co Potentiometer In Wooden Case U.S.N. Mech & Aerospace

$120.00

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vintage Leeds & Northrup 4866 conductivity bridge [3*B-33]
vintage Leeds & Northrup 4866 conductivity bridge [3*B-33]

$125.00

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VINTAGE LEEDS & NORTHRUP L&N CO POTENTIOMETER INDICATOR
VINTAGE LEEDS & NORTHRUP L&N CO POTENTIOMETER INDICATOR

$39.99

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Antique Leeds & Northrup Single Range Potentiometer Indicator (PART)
Antique Leeds & Northrup Single Range Potentiometer Indicator (PART)

$99.99

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Original Vintage Type P Galvanometer Leeds & Northrup
Original Vintage Type P Galvanometer Leeds & Northrup

$99.99

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LEEDS NORTHRUP 063303 REV. D1 UNMP
LEEDS NORTHRUP 063303 REV. D1 UNMP

$95.00

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Vintage leeds & northrup co. 142793
Vintage leeds & northrup co. 142793

$20.00

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vintage LEEDS & NORTHRUP CO. 2420D light beam galvanometer
vintage LEEDS & NORTHRUP CO. 2420D light beam galvanometer

$233.75

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Vintage Leeds & Northrup Co. Parts
Vintage Leeds & Northrup Co. Parts

$6.95

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Vintage 1965~ Leeds & Northrup Portable Potentiometer Model 8659 & 8658 & 8656
Vintage 1965~ Leeds & Northrup Portable Potentiometer Model 8659 & 8658 & 8656

$74.88

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Vintage Leeds & Northrup Co. Type S Electric Test Set No. 5430-A
Vintage Leeds & Northrup Co. Type S Electric Test Set No. 5430-A

$83.70

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Leeds & Northrup Antique Vintage Resistance Standards 10.01 Ohm 8070-B
Leeds & Northrup Antique Vintage Resistance Standards 10.01 Ohm 8070-B

$79.99

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Leeds & Northrup Millivolt Potentiometer Vintage Laboratory 8686 Galvanometer
Leeds & Northrup Millivolt Potentiometer Vintage Laboratory 8686 Galvanometer

$99.95

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