Leeds Northrup




LEEDS  NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
LEEDS NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
$500.00
LEEDS  NORTHRUP AC DC DECADE RESISTOR 4755
LEEDS NORTHRUP AC DC DECADE RESISTOR 4755
$125.00
LEEDS  NORTHRUP DECADE RESISTANCE BOX 4754
LEEDS NORTHRUP DECADE RESISTANCE BOX 4754
$125.00
Vintage LEEDS  NORTHRUP Multiple Range Potentiometer Indicator  Directions LN
Vintage LEEDS NORTHRUP Multiple Range Potentiometer Indicator Directions LN
$60.00
++ VINTAGE 50s Leeds  Northrup Co Potentiometer NUCLEAR ERA
++ VINTAGE 50s Leeds Northrup Co Potentiometer NUCLEAR ERA
$400.00
Vintage LEEDS Northrup DC Null Detector Power Supply Test Meter Tube Based
Vintage LEEDS Northrup DC Null Detector Power Supply Test Meter Tube Based
$48.00
LEEDS AND NORTHRUP CO 8067 MUELLER TEMPERATURE BRIDGE
LEEDS AND NORTHRUP CO 8067 MUELLER TEMPERATURE BRIDGE
$375.00
Leeds  Northrup 4045B
Leeds Northrup 4045B
$395.00
Leeds  Northrup 4040B
Leeds Northrup 4040B
$395.00
VINTAGE LEEDS  NORTHRUP SELF INDUCTANCE Tester Milli Henrys
VINTAGE LEEDS NORTHRUP SELF INDUCTANCE Tester Milli Henrys
$40.00
Vintage Leeds Northrup Complete Roll Chart Paper 40 Yds 347
Vintage Leeds Northrup Complete Roll Chart Paper 40 Yds 347
$8.00
Vintage Leeds  and Northrup Light Beam Projection Galvanometer 2430 C
Vintage Leeds and Northrup Light Beam Projection Galvanometer 2430 C
$79.00
INCOLN THERMAL CONVERTER CW10 LEEDS  NORTHRUP
INCOLN THERMAL CONVERTER CW10 LEEDS NORTHRUP
$25.00
Leeds  Northrup MICROFARAD Capacitor Bakelite Sangamo Electric Springfield Ill
Leeds Northrup MICROFARAD Capacitor Bakelite Sangamo Electric Springfield Ill
$49.99
Leeds  Northrup Portable Precision Potentiometer WITH DIRECTIONS MPN P63 304
Leeds Northrup Portable Precision Potentiometer WITH DIRECTIONS MPN P63 304
$149.99
Leeds  Northrup Potentiometer 8662
Leeds Northrup Potentiometer 8662
$65.00
LEEDS  NORTHRUP LN 2420B GALVANOMETER
LEEDS NORTHRUP LN 2420B GALVANOMETER
$49.95
Vintage Leeds  Northrup Co Galvanometer 5305 Test Set Ser No 1339916
Vintage Leeds Northrup Co Galvanometer 5305 Test Set Ser No 1339916
$200.00
Vintage Leeds  Northrup Co Galvanometer Kelvin Bridge Ohmmeter Unused
Vintage Leeds Northrup Co Galvanometer Kelvin Bridge Ohmmeter Unused
$300.00
Leeds  Northrup Chart Recorder mdl 201 11 000 NN21
Leeds Northrup Chart Recorder mdl 201 11 000 NN21
$159.98
DC Power Supply  LEEDS NORTHRUP 0 10 0 100V DC
DC Power Supply LEEDS NORTHRUP 0 10 0 100V DC
$75.00
LEEDS NORTHRUP  TEMPERATURE SENSOR 022289
LEEDS NORTHRUP TEMPERATURE SENSOR 022289
$25.00
Vintage Leeds  Northrup Potentiometer Indicator With Booklet
Vintage Leeds Northrup Potentiometer Indicator With Booklet
$29.99
LEEDS  NORTHRUP CO STANDARD RESISTOR 1 ohm MODEL 4020 B
LEEDS NORTHRUP CO STANDARD RESISTOR 1 ohm MODEL 4020 B
$99.99
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
$25.00
NEW LEEDS NORTHRUP 152137 COMPENSATOR TEMPERATURE 5 1 2 IN PROBE B325186
NEW LEEDS NORTHRUP 152137 COMPENSATOR TEMPERATURE 5 1 2 IN PROBE B325186
$120.00
LEEDS  NORTHRUP 7555 TYPE K 5 POTENTIOMETER
LEEDS NORTHRUP 7555 TYPE K 5 POTENTIOMETER
$227.65
Leeds  Northrup Resistance ReferenceStandards 8 01 Ohm to 1 MegOhm TEST
Leeds Northrup Resistance ReferenceStandards 8 01 Ohm to 1 MegOhm TEST
$1,500.00
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 100000 OHM DC VOLTAGE DIVIDER
LEEDS NORTHRUP 100000 OHM DC VOLTAGE DIVIDER
$225.00
Leeds  Northrup Model 8686 Millivolt potentiometer
Leeds Northrup Model 8686 Millivolt potentiometer
$55.00
 LEEDS  NORTHRUP CAT  8248 10
LEEDS NORTHRUP CAT 8248 10
$40.00
LEEDS  NORTHRUP CALIBRATOR TESTER MODEL 9696
LEEDS NORTHRUP CALIBRATOR TESTER MODEL 9696
$799.99
Vintage Rare Working Telegraph Resistance Meter by Leeds  Northrup Co 1900s
Vintage Rare Working Telegraph Resistance Meter by Leeds Northrup Co 1900s
$57.99
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
$75.00
Leeds  Northrup 0 1500F Range Card 650019 Type J
Leeds Northrup 0 1500F Range Card 650019 Type J
$40.00
Leeds  Northrup 1138212 Millivolt Testing Unit Reactor MTR Real Inst
Leeds Northrup 1138212 Millivolt Testing Unit Reactor MTR Real Inst
$235.43
Leeds  Northrup 660173 H Chart Paper New Old Stock
Leeds Northrup 660173 H Chart Paper New Old Stock
$19.99
LEEDS  NORTHRUP LN Model 9876 m DC POWER SUPPLY
LEEDS NORTHRUP LN Model 9876 m DC POWER SUPPLY
$75.00
Leeds  Northrup LN AC DC Decade Resistor CAT No 4755
Leeds Northrup LN AC DC Decade Resistor CAT No 4755
$49.99
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
$350.00
LEEDS  NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD MODEL 4300
LEEDS NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD MODEL 4300
$450.00
LEEDS AND NORTHRUP SLIDE WIRE WHEATSTONE BRIDGE VINTAGE MODEL 4203
LEEDS AND NORTHRUP SLIDE WIRE WHEATSTONE BRIDGE VINTAGE MODEL 4203
$49.50
VINTAGE LEEDS  NORTHRUP RESISTANCE BOX 4 STAGES
VINTAGE LEEDS NORTHRUP RESISTANCE BOX 4 STAGES
$50.00
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 SILSBEE CURRENT TRANSFORMER TESTING SET 7150
LEEDS NORTHRUP SILSBEE CURRENT TRANSFORMER TESTING SET 7150
$375.00
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
$250.00
NEWLeeds  Northrup Chart Recording Instrument Paper No 30678562
NEWLeeds Northrup Chart Recording Instrument Paper No 30678562
$8.00
Run up box Leeds  Northrup co CAT 9912
Run up box Leeds Northrup co CAT 9912
$55.99
LEEDS  NORTHRUP Test Set Resistance Measurements Galvanometer w Wooden Box USN
LEEDS NORTHRUP Test Set Resistance Measurements Galvanometer w Wooden Box USN
$79.99
Vintage Leeds  Northrup Type K 3 7553 5 Universal Potentiometer Untested Gray
Vintage Leeds Northrup Type K 3 7553 5 Universal Potentiometer Untested Gray
$74.99
LEEDS  NORTHRUP 8064 A Resistance Thermometer Bridge Make Offer
LEEDS NORTHRUP 8064 A Resistance Thermometer Bridge Make Offer
$200.00
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
$75.00
Leeds  Northrup Co Volt Box Attenuator Cat 7592
Leeds Northrup Co Volt Box Attenuator Cat 7592
$18.00
LEEDS  NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
LEEDS NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
$50.00
Leeds Northrup Cat 8070 Resistor Standard 10ohm
Leeds Northrup Cat 8070 Resistor Standard 10ohm
$89.99
NEW LEEDS  NORTHRUP 152137 TEMPERATURE COMPENSATOR 4 3 4 LONG PROBE
NEW LEEDS NORTHRUP 152137 TEMPERATURE COMPENSATOR 4 3 4 LONG PROBE
$99.99
VINTAGE ELECTROMAX LEEDS  NORTHRUP LN AMPLIFIER
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER
$50.00
LEEDS  NORTHRUP K5 9534 L5 UNBALANCED 750 ATTENUATOR
LEEDS NORTHRUP K5 9534 L5 UNBALANCED 750 ATTENUATOR
$175.00
Leeds and Northrup Co Type G 1 Mueller Temperature Bridge 8067
Leeds and Northrup Co Type G 1 Mueller Temperature Bridge 8067
$1,371.31
ANTIQUE VINTAGE OLD LEEDS  NORTHRUP L  N POTENTIOMETER INDICATOR WOOD CASE
ANTIQUE VINTAGE OLD LEEDS NORTHRUP L N POTENTIOMETER INDICATOR WOOD CASE
$29.99
Leeds  Northrup Electronic Speed Changer 120V 50 60 Hz 351567
Leeds Northrup Electronic Speed Changer 120V 50 60 Hz 351567
$269.72
Vintage Leeds Northrup potentiometer model 782646 wooden box tester free ship
Vintage Leeds Northrup potentiometer model 782646 wooden box tester free ship
$89.99
Leeds Northrup Reflecting Mirror Galvanometer Gray model 2430 C tester free ship
Leeds Northrup Reflecting Mirror Galvanometer Gray model 2430 C tester free ship
$99.99
LEEDS NORTHRUP KEVIN BRIDGE CAT NO 4288
LEEDS NORTHRUP KEVIN BRIDGE CAT NO 4288
$265.00
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
$75.00
Leeds  Northrup LN Series 80 3 Action DAT Controller Directions
Leeds Northrup LN Series 80 3 Action DAT Controller Directions
$17.50
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
$21.00
Leeds  Northrup LN 6430 6460 Series Electromax III Controllers Directions
Leeds Northrup LN 6430 6460 Series Electromax III Controllers Directions
$24.50
Leeds  Northrup LN 4905 Series Conductivity Cells Directions
Leeds Northrup LN 4905 Series Conductivity Cells Directions
$14.00
Leeds  Northrup LN 4249 Megohm Micromho Resistance Standard Directions
Leeds Northrup LN 4249 Megohm Micromho Resistance Standard Directions
$12.00
Leeds  Northrup LN Series 38 Pneumatic Control Parts Catalog
Leeds Northrup LN Series 38 Pneumatic Control Parts Catalog
$12.00
Leeds  Northrup LN 10769 10769 G Control Units for Electric Furnace Directions
Leeds Northrup LN 10769 10769 G Control Units for Electric Furnace Directions
$12.00
Leeds  Northrup LN 10760 Series Control Units Parts Catalog
Leeds Northrup LN 10760 Series Control Units Parts Catalog
$12.00
Leeds Northrup Chart Recorder Plotter
Leeds Northrup Chart Recorder Plotter
$80.00
LEEDS NORTHRUP LN MODEL 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
LEEDS NORTHRUP LN MODEL 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
$52.00
Leeds  Northrup DC Null Detector 9834 2 w Tubes
Leeds Northrup DC Null Detector 9834 2 w Tubes
$29.50
Leeds  Northrup Speedomax W Chart Paper 490173
Leeds Northrup Speedomax W Chart Paper 490173
$3.57
LEEDS  NORTHRUP Antique Open Dial Wheatstone Bridge
LEEDS NORTHRUP Antique Open Dial Wheatstone Bridge
$150.00
LEEDS  NORTHRUP LN 2420B GALVANOMETER
LEEDS NORTHRUP LN 2420B GALVANOMETER
$165.00
LEEDS  NORTHRUP 22850 GALVANOMETER
LEEDS NORTHRUP 22850 GALVANOMETER
$165.00
LN LEEDS NORTHRUP 7075 1 CONDUCTIVITY TESTER METER SPECIFIC CONDUCTANCE
LN LEEDS NORTHRUP 7075 1 CONDUCTIVITY TESTER METER SPECIFIC CONDUCTANCE
$19.99
LEEDS  NORTHRUP SPEEDOMAX CHART  H  RECORDER
LEEDS NORTHRUP SPEEDOMAX CHART H RECORDER
$49.99
LOT 11 NEW LEEDS NORTHRUP 528901 RECORDER CHART PAPER D230948
LOT 11 NEW LEEDS NORTHRUP 528901 RECORDER CHART PAPER D230948
$40.00
Antique Vintage Leeds  Northrup LN Model 5305 Resistance 9999 Ohms Test Set
Antique Vintage Leeds Northrup LN Model 5305 Resistance 9999 Ohms Test Set
$72.44
Vintage Leeds  Northrup Model 8691 Millivolt Potentiometer w thermocpl convr
Vintage Leeds Northrup Model 8691 Millivolt Potentiometer w thermocpl convr
$79.99
Vintage Leeds  Northrup Type S Testing Set No Reserve Bid
Vintage Leeds Northrup Type S Testing Set No Reserve Bid
$20.00
Leeds  Northrup 177641 Directions for solid state null detector galvanometer
Leeds Northrup 177641 Directions for solid state null detector galvanometer
$20.00
Leeds  Northrup 179001 year 1972 Parts Catalog for Speedomax H
Leeds Northrup 179001 year 1972 Parts Catalog for Speedomax H
$20.00
Leeds Northrup 177304 Directions for Speedomax H  W
Leeds Northrup 177304 Directions for Speedomax H W
$20.00
Leeds  Northrup 41149 Directions for 8657 C
Leeds Northrup 41149 Directions for 8657 C
$20.00
Leeds  Northrup 8 876 Speedomax W parts catalog for 179018
Leeds Northrup 8 876 Speedomax W parts catalog for 179018
$20.00
Leeds  Northrup 3 350 Moving Coil Galvanometers Notes
Leeds Northrup 3 350 Moving Coil Galvanometers Notes
$20.00
Leeds  Northrup 277723 Operators Manual for SpeedoMax 1650  2500RTD
Leeds Northrup 277723 Operators Manual for SpeedoMax 1650 2500RTD
$20.00
Leeds Northrup 177179 Directions for 10118 101118
Leeds Northrup 177179 Directions for 10118 101118
$20.00




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