Leeds Northrup

ANTIQUE VINTAGE OLD LEEDS  NORTHRUP L  N POTENTIOMETER INDICATOR WOOD CASE
ANTIQUE VINTAGE OLD LEEDS NORTHRUP L N POTENTIOMETER INDICATOR WOOD CASE
$39.99
Vintage 1920s Leeds  Northrup Co 2239E Galvanometer
Vintage 1920s Leeds Northrup Co 2239E Galvanometer
$17.50
Leeds  Northrup Chart Recorder mdl 201 11 000 NN21
Leeds Northrup Chart Recorder mdl 201 11 000 NN21
$159.98
eight 8 LEEDS  and NORTHRUP OIL IMMERSION 10 10000 OHMS RESISTANCE STANDARDS
eight 8 LEEDS and NORTHRUP OIL IMMERSION 10 10000 OHMS RESISTANCE STANDARDS
$456.78
Leeds and Northrup test device steampunk OLD
Leeds and Northrup test device steampunk OLD
$20.00
Leeds  Northrup TC16 Temperature Controller
Leeds Northrup TC16 Temperature Controller
$9.99
Leeds  Northrup TC8 Temperature Controller
Leeds Northrup TC8 Temperature Controller
$9.99
VINTAGE LEEDS  NORTHRUP 4866 CONDUCTIVITY BRIDGE RESISTANCE OHMS MANUAL RARE
VINTAGE LEEDS NORTHRUP 4866 CONDUCTIVITY BRIDGE RESISTANCE OHMS MANUAL RARE
$85.00
LEEDS NORTHRUP KEVIN BRIDGE CAT NO 4288
LEEDS NORTHRUP KEVIN BRIDGE CAT NO 4288
$325.00
L  N Leeds  Northrup 8690 2 Millivolt Potentiometer  9912 Run Up Box
L N Leeds Northrup 8690 2 Millivolt Potentiometer 9912 Run Up Box
$49.99
Leeds  Northrup LN Speedomax G H W 6430 6460 Series 80 60 Directions  MORE
Leeds Northrup LN Speedomax G H W 6430 6460 Series 80 60 Directions MORE
$85.50
Leeds  Northrup LN Series 80 3 Action DAT Controller Directions
Leeds Northrup LN Series 80 3 Action DAT Controller Directions
$15.75
Leeds  Northrup LN 7553 5 7553 6 Type K 3 Universal Potentiometers Directions
Leeds Northrup LN 7553 5 7553 6 Type K 3 Universal Potentiometers Directions
$18.90
Leeds  Northrup LN 6430 6460 Series Electromax III Controllers Directions
Leeds Northrup LN 6430 6460 Series Electromax III Controllers Directions
$22.05
Leeds  Northrup LN 4737 4737 1 4737 A20 4737 A21 Bridge Calibration Directions
Leeds Northrup LN 4737 4737 1 4737 A20 4737 A21 Bridge Calibration Directions
$10.80
Leeds  Northrup LN 4905 Series Conductivity Cells Directions
Leeds Northrup LN 4905 Series Conductivity Cells Directions
$12.60
Leeds  Northrup LN 4249 Megohm Micromho Resistance Standard Directions
Leeds Northrup LN 4249 Megohm Micromho Resistance Standard Directions
$10.80
Leeds  Northrup LN 4232 A1 Precision Guarded Resistance Facility Directions
Leeds Northrup LN 4232 A1 Precision Guarded Resistance Facility Directions
$9.00
Leeds  Northrup LN Series 38 Pneumatic Control Parts Catalog
Leeds Northrup LN Series 38 Pneumatic Control Parts Catalog
$10.80
Leeds  Northrup LN 2437 DC Null Detector Directions
Leeds Northrup LN 2437 DC Null Detector Directions
$12.60
Leeds  Northrup LN 1554 A2 Capacitance  Conductance Bridge Directions
Leeds Northrup LN 1554 A2 Capacitance Conductance Bridge Directions
$10.80
Leeds  Northrup LN 10760 Series Control Units Parts Catalog
Leeds Northrup LN 10760 Series Control Units Parts Catalog
$10.80
Leeds  Northrup LN 10769 10769 G Control Units for Electric Furnace Directions
Leeds Northrup LN 10769 10769 G Control Units for Electric Furnace Directions
$10.80
LEEDS  NORTHRUP CO Meter 2420B
LEEDS NORTHRUP CO Meter 2420B
$15.99
Leeds  Northrup DC Null Detector 9834 2 w Tubes
Leeds Northrup DC Null Detector 9834 2 w Tubes
$39.50
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
$65.00
Leeds Northrup Chart Recorder Plotter
Leeds Northrup Chart Recorder Plotter
$129.99
Antique Vintage Leeds Northrup Temperature Potentiometer w Case Manual 8693 2
Antique Vintage Leeds Northrup Temperature Potentiometer w Case Manual 8693 2
$39.95
Leeds  Northrup 0 1500F Range Card 650019 Type J
Leeds Northrup 0 1500F Range Card 650019 Type J
$40.00
LEEDS  NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
LEEDS NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
$500.00
LEEDS  NORTHRUP 8064 A Resistance Thermometer Bridge Make Offer
LEEDS NORTHRUP 8064 A Resistance Thermometer Bridge Make Offer
$200.00
Leeds  Northrup Speedomax W Chart Paper 490173
Leeds Northrup Speedomax W Chart Paper 490173
$7.50
Leeds  Northrup Test Set No 5300
Leeds Northrup Test Set No 5300
$75.00
LEEDS  NORTHRUP LN 4232 WHEATSTONE BRIDGE W 9828 DC NULL DETECTOR  9876 DC PS
LEEDS NORTHRUP LN 4232 WHEATSTONE BRIDGE W 9828 DC NULL DETECTOR 9876 DC PS
$1,000.00
Vintage Leeds Northrup Complete Roll Chart Paper 40 Yds 347
Vintage Leeds Northrup Complete Roll Chart Paper 40 Yds 347
$8.00
Leeds  Northrup Zero Voltage Power Pack
Leeds Northrup Zero Voltage Power Pack
$19.99
Leeds  Northrup Constant Voltage DC Power Supply 099034 3 Volt 2444 mA
Leeds Northrup Constant Voltage DC Power Supply 099034 3 Volt 2444 mA
$14.99
Leeds  Northrup Co Optical Pyrometer SN 248342 w Hickok Power Compartment
Leeds Northrup Co Optical Pyrometer SN 248342 w Hickok Power Compartment
$84.99
LEEDS  NORTHRUP SPEEDOMAX MULTIPOINT RECORDERS NEW BOX
LEEDS NORTHRUP SPEEDOMAX MULTIPOINT RECORDERS NEW BOX
$999.00
 LEEDS  NORTHRUP CAT  8248 10
LEEDS NORTHRUP CAT 8248 10
$40.00
Leeds  Northrup 5430 A Test Set Galvanometer
Leeds Northrup 5430 A Test Set Galvanometer
$65.00
Leeds  Northrup 4045B
Leeds Northrup 4045B
$395.00
Leeds  Northrup 4040B
Leeds Northrup 4040B
$395.00
VINTAGE LEEDS NORTHRUP Portable Precision Potentiometer 8662 with Directions
VINTAGE LEEDS NORTHRUP Portable Precision Potentiometer 8662 with Directions
$49.99
Leeds  Northrup Co Optical Pyrometer SN 332148
Leeds Northrup Co Optical Pyrometer SN 332148
$59.99
LEEDS  NORTHRUP CO POTENTIOMETER SN 315906
LEEDS NORTHRUP CO POTENTIOMETER SN 315906
$79.99
Leeds  Northrup 0 1000F Range Card 650003 Type J
Leeds Northrup 0 1000F Range Card 650003 Type J
$40.00
LEEDS  NORTHRUP 933 NUMATRON Temperature Indicator Gauge Probe Sensor  Cord
LEEDS NORTHRUP 933 NUMATRON Temperature Indicator Gauge Probe Sensor Cord
$49.99
Run up box Leeds  Northrup co CAT 9912
Run up box Leeds Northrup co CAT 9912
$55.99
Leeds  Northrup 1138212 Millivolt Testing Unit Reactor MTR Real Inst
Leeds Northrup 1138212 Millivolt Testing Unit Reactor MTR Real Inst
$216.60
LEEDS  NORTHRUP MODEL 8690 MILLIVOLT POTENTIOMETER
LEEDS NORTHRUP MODEL 8690 MILLIVOLT POTENTIOMETER
$51.12
LEEDS  NORTHRUP LN Model 9876 m DC POWER SUPPLY
LEEDS NORTHRUP LN Model 9876 m DC POWER SUPPLY
$75.00
VINTAGE ELECTROMAX LEEDS  NORTHRUP LN AMPLIFIER cat  6251 B
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER cat 6251 B
$50.00
LEEDS  NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD 21502
LEEDS NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD 21502
$450.00
LEEDS  NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD MODEL 4300
LEEDS NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD MODEL 4300
$550.00
DC Power Supply  LEEDS NORTHRUP 0 10 0 100V DC
DC Power Supply LEEDS NORTHRUP 0 10 0 100V DC
$95.00
LEEDS  NORTHRUP 8686 MILLIVOLT POTENTIOMETER NICE N CLEAN
LEEDS NORTHRUP 8686 MILLIVOLT POTENTIOMETER NICE N CLEAN
$59.99
LN LEEDS NORTHRUP 7075 1 CONDUCTIVITY TESTER METER SPECIFIC CONDUCTANCE
LN LEEDS NORTHRUP 7075 1 CONDUCTIVITY TESTER METER SPECIFIC CONDUCTANCE
$24.99
LEEDS  NORTHRUP 063232 ANALOG MODULE CONTROL NEW OUT OF A BOX
LEEDS NORTHRUP 063232 ANALOG MODULE CONTROL NEW OUT OF A BOX
$407.00
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
$250.00
++ VINTAGE LEEDS  NORTHRUP METER IN WOOD CASE
++ VINTAGE LEEDS NORTHRUP METER IN WOOD CASE
$75.00
Leeds  Northrup Model 8686 Millivolt potentiometer
Leeds Northrup Model 8686 Millivolt potentiometer
$95.00
Leeds  Northrup LN Speedomax G H W 6430 6460 Series 80 60 Directions  MORE
Leeds Northrup LN Speedomax G H W 6430 6460 Series 80 60 Directions MORE
$85.50
Leeds  Northrup LN AC DC Decade Resistor CAT No 4755
Leeds Northrup LN AC DC Decade Resistor CAT No 4755
$124.99
NEWLeeds  Northrup Chart Recording Instrument Paper No 30678562
NEWLeeds Northrup Chart Recording Instrument Paper No 30678562
$8.00
INCOLN THERMAL CONVERTER CW10 LEEDS  NORTHRUP
INCOLN THERMAL CONVERTER CW10 LEEDS NORTHRUP
$99.99
LEEDS  NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
LEEDS NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
$50.00
Leeds  Northrup Co Volt Box Attenuator Cat 7592
Leeds Northrup Co Volt Box Attenuator Cat 7592
$18.00
Leeds Northrup Cat 8070 Resistor Standard
Leeds Northrup Cat 8070 Resistor Standard
$89.99
VINTAGE ELECTROMAX LEEDS  NORTHRUP LN AMPLIFIER
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER
$50.00
VINTAGE LEEDS  NORTHRUP LN AMPLIFIER R 820 1 PROD  57258
VINTAGE LEEDS NORTHRUP LN AMPLIFIER R 820 1 PROD 57258
$50.00
++ VINTAGE 50s Leeds  Northrup Co Potentiometer NUCLEAR ERA
++ VINTAGE 50s Leeds Northrup Co Potentiometer NUCLEAR ERA
$500.00
Leeds and Northrup Co Type G 1 Mueller Temperature Bridge 8067
Leeds and Northrup Co Type G 1 Mueller Temperature Bridge 8067
$1,261.61
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
$100.00
Leeds  Northrup Electronic Speed Changer 120V 50 60 Hz 351567
Leeds Northrup Electronic Speed Changer 120V 50 60 Hz 351567
$248.14
Vintage Leeds  Northrup Lab Grade Potentiometer Antique Scientific Electricalth
Vintage Leeds Northrup Lab Grade Potentiometer Antique Scientific Electricalth
$99.99
LEEDS  NORTHRUP Test Set Resistance Measurements Galvanometer w Wooden Box USN
LEEDS NORTHRUP Test Set Resistance Measurements Galvanometer w Wooden Box USN
$79.99
Leeds and Northrup optical Pyrometer 2 units
Leeds and Northrup optical Pyrometer 2 units
$395.00
Leeds  Northrup LN 4756 resistance decade box NIST cald
Leeds Northrup LN 4756 resistance decade box NIST cald
$395.00
Leeds Northrup 2195 Reflecting Galvanometer Scale Lamp Stand
Leeds Northrup 2195 Reflecting Galvanometer Scale Lamp Stand
$142.49
LEEDS  NORTHRUP 5305 Test Set Resistance Measurements Galvanometer
LEEDS NORTHRUP 5305 Test Set Resistance Measurements Galvanometer
$99.95
LEEDS  NORTHRUP SPEEDOMAX RECORDER 7468
LEEDS NORTHRUP SPEEDOMAX RECORDER 7468
$399.99
Leeds  Northrup Resistance ReferenceStandards 8 01 Ohm to 1 MegOhm TEST
Leeds Northrup Resistance ReferenceStandards 8 01 Ohm to 1 MegOhm TEST
$1,320.00
NEW Leeds  Northrup Chart Paper PN 31039046 Model 677003 1P31039046 Fan Fold
NEW Leeds Northrup Chart Paper PN 31039046 Model 677003 1P31039046 Fan Fold
$12.95
LEEDS  NORTHRUP CAT 9912 RUN UP BOX FAST FREE SHIPPING
LEEDS NORTHRUP CAT 9912 RUN UP BOX FAST FREE SHIPPING
$14.99
Leeds  Northrup 660912 Speedomax H Chart Paper
Leeds Northrup 660912 Speedomax H Chart Paper
$13.95
Leeds and Northrup Speedomax H Manual and Parts Catalog
Leeds and Northrup Speedomax H Manual and Parts Catalog
$9.95
Leeds  Northrup Co Potentiometer 1970s from Westinghouse RD
Leeds Northrup Co Potentiometer 1970s from Westinghouse RD
$274.95
NEW NIB LOT OF 6 LEEDS  NORTHRUP SPEEDOMAX H CHART PAPER VV5
NEW NIB LOT OF 6 LEEDS NORTHRUP SPEEDOMAX H CHART PAPER VV5
$19.99
Pair of Vintage Leeds  Northrup 4385 Potentiometer Shunt Box w Cover Excellent
Pair of Vintage Leeds Northrup 4385 Potentiometer Shunt Box w Cover Excellent
$60.00
Vintage Leeds  Northrup 4385 Potentiometer Shunt Box w Cover Excellent
Vintage Leeds Northrup 4385 Potentiometer Shunt Box w Cover Excellent
$40.00
Vintage Leeds  Northrup 2666 Ayrton Shunt for Galvanometers w Cover Excellent
Vintage Leeds Northrup 2666 Ayrton Shunt for Galvanometers w Cover Excellent
$35.00
Leeds  Northrup LN Cat 4775 Decade Resistance Resistor Box NIST CALIBRATED
Leeds Northrup LN Cat 4775 Decade Resistance Resistor Box NIST CALIBRATED
$49.00
LEEDS  NORTHRUP 4385 SHUNT BOX CALIBRATED
LEEDS NORTHRUP 4385 SHUNT BOX CALIBRATED
$150.00
Leeds  Northrup pH Meter model 7401
Leeds Northrup pH Meter model 7401
$68.75
LEEDS  NORTHRUP ELECTRIC ACTUATOR CAT NO 10218 1 1 120V 50 60HZ 25W 27A
LEEDS NORTHRUP ELECTRIC ACTUATOR CAT NO 10218 1 1 120V 50 60HZ 25W 27A
$200.00




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