Leeds Northrup




Leeds  Northrup Portable Precision Potentiometer model 8662 MPN P 63 304
Leeds Northrup Portable Precision Potentiometer model 8662 MPN P 63 304
$149.99
vintage LN LEEDS  NORTHRUP 5305 TEST SET galvanometer ohms resistance meter
vintage LN LEEDS NORTHRUP 5305 TEST SET galvanometer ohms resistance meter
$49.99
Leeds  Northrup 4045B
Leeds Northrup 4045B
$395.00
Leeds  Northrup 4040B
Leeds Northrup 4040B
$395.00
LEEDS  NORTHRUP K5 9534 L5 UNBALANCED 750 ATTENUATOR
LEEDS NORTHRUP K5 9534 L5 UNBALANCED 750 ATTENUATOR
$175.00
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
$60.00
LEEDS  NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
LEEDS NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
$50.00
LEEDS  NORTHRUP LN DIGITAL CHART RECORDER in BOX LCH2
LEEDS NORTHRUP LN DIGITAL CHART RECORDER in BOX LCH2
$100.00
LEEDS  NORTHRUP LN DIGITAL CHART RECORDER in BOX LCH1
LEEDS NORTHRUP LN DIGITAL CHART RECORDER in BOX LCH1
$150.00
VINTAGE ELECTROMAX LEEDS  NORTHRUP LN AMPLIFIER
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER
$50.00
Leeds  Northrup ultra precise 005  decade resistance + multiplier RFE
Leeds Northrup ultra precise 005 decade resistance + multiplier RFE
$129.73
LEEDS  NORTHRUP Model 4232 PRECISION GUARDED WHEATSTONE BRIDGE
LEEDS NORTHRUP Model 4232 PRECISION GUARDED WHEATSTONE BRIDGE
$275.00
LEEDS  NORTHRUP Model 7554 TYPE K 4 POTENTIOMETER
LEEDS NORTHRUP Model 7554 TYPE K 4 POTENTIOMETER
$275.00
LEEDS  NORTHRUP Model 7555 TYPE K 5 POTENTIOMETER
LEEDS NORTHRUP Model 7555 TYPE K 5 POTENTIOMETER
$250.00
Leeds Northrup 5430 A Test Set Galvanometer
Leeds Northrup 5430 A Test Set Galvanometer
$24.99
++ VINTAGE 50s Leeds  Northrup Co Potentiometer NUCLEAR ERA
++ VINTAGE 50s Leeds Northrup Co Potentiometer NUCLEAR ERA
$300.00
Leeds  Northrup millivolt potentiometer 1940s
Leeds Northrup millivolt potentiometer 1940s
$59.99
Vintage Leeds  Northrup Co Potentiometer historic lab voltage standard
Vintage Leeds Northrup Co Potentiometer historic lab voltage standard
$199.99
Vintage Leeds  Northrup Stromberg Carlson 42 51165 Potentiometer Body Parts
Vintage Leeds Northrup Stromberg Carlson 42 51165 Potentiometer Body Parts
$289.99
Leeds Northrup 00001 and 0001 ohm standards 4224 4223
Leeds Northrup 00001 and 0001 ohm standards 4224 4223
$2,400.00
LEEDS  NORTHRUP 7591 VOLT BOX POTENTIOMETER
LEEDS NORTHRUP 7591 VOLT BOX POTENTIOMETER
$195.00
LEEDS  NORTHRUP 4249 MEGOHOM MICROMHO RESISTANCE STANDARD
LEEDS NORTHRUP 4249 MEGOHOM MICROMHO RESISTANCE STANDARD
$325.00
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 Wheatstone Bridge 1900s Scientific Testing Equipment
Leeds Northrup Wheatstone Bridge 1900s Scientific Testing Equipment
$1,000.00
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 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
$37.50
Leeds  Northrup LN Series 80 3 Action DAT Controller Directions
Leeds Northrup LN Series 80 3 Action DAT Controller Directions
$8.75
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
$10.50
Leeds  Northrup LN 6430 6460 Series Electromax III Controllers Directions
Leeds Northrup LN 6430 6460 Series Electromax III Controllers Directions
$12.25
Leeds  Northrup LN 4905 Series Conductivity Cells Directions
Leeds Northrup LN 4905 Series Conductivity Cells Directions
$7.00
Leeds  Northrup LN Series 38 Pneumatic Control Parts Catalog
Leeds Northrup LN Series 38 Pneumatic Control Parts Catalog
$6.00
Leeds  Northrup LN 10769 10769 G Control Units for Electric Furnace Directions
Leeds Northrup LN 10769 10769 G Control Units for Electric Furnace Directions
$6.00
Leeds  Northrup LN 10760 Series Control Units Parts Catalog
Leeds Northrup LN 10760 Series Control Units Parts Catalog
$6.00
Leeds  Northrup Chart Recorder mdl 201 11 000 NN21
Leeds Northrup Chart Recorder mdl 201 11 000 NN21
$165.98
Leeds Northrup Chart Recorder Plotter
Leeds Northrup Chart Recorder Plotter
$69.99
LEEDS NORTHRUP LN MODEL 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
LEEDS NORTHRUP LN MODEL 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
$65.00
LEEDS  NORTHRUP 4395 100000  VOLTAGE DIVIDER
LEEDS NORTHRUP 4395 100000 VOLTAGE DIVIDER
$310.00
LEEDS  NORTHRUP LN DIGITAL CHART RECORDER LN8
LEEDS NORTHRUP LN DIGITAL CHART RECORDER LN8
$100.00
Leeds  Northrup Speedomax W Chart Paper 490173
Leeds Northrup Speedomax W Chart Paper 490173
$3.21
Vintage Leeds  Northrup Potentiometer 1555908
Vintage Leeds Northrup Potentiometer 1555908
$500.00
INCOLN THERMAL CONVERTER CW10 LEEDS  NORTHRUP
INCOLN THERMAL CONVERTER CW10 LEEDS NORTHRUP
$25.00
LEEDS  NORTHRUP 5602 A GUARDED INSULATION RESISTANCE
LEEDS NORTHRUP 5602 A GUARDED INSULATION RESISTANCE
$325.00
LEEDS  NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER MODEL7556
LEEDS NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER MODEL7556
$425.00
Vintage LEEDS  NORTHRUP Multiple Range Potentiometer Indicator  Directions LN
Vintage LEEDS NORTHRUP Multiple Range Potentiometer Indicator Directions LN
$55.00
LEEDS  NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
LEEDS NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
$500.00
LEEDS  NORTHRUP AC DC DECADE RESISTOR 4755
LEEDS NORTHRUP AC DC DECADE RESISTOR 4755
$100.00
LEEDS  NORTHRUP 7555 TYPE K 5 POTENTIOMETER
LEEDS NORTHRUP 7555 TYPE K 5 POTENTIOMETER
$227.65
LEEDS AND NORTHRUP CO 8067 MUELLER TEMPERATURE BRIDGE
LEEDS AND NORTHRUP CO 8067 MUELLER TEMPERATURE BRIDGE
$285.00
LEEDS  NORTHRUP LN DIGITAL CHART RECORDER LN3
LEEDS NORTHRUP LN DIGITAL CHART RECORDER LN3
$150.00
LEEDS  NORTHRUP 4725 VINTAGE OPEN DIAL WHEATSTONE BRIDGE READ
LEEDS NORTHRUP 4725 VINTAGE OPEN DIAL WHEATSTONE BRIDGE READ
$39.99
Leeds  Northrup 600173 H Chart Paper 100 TO 0 BY 10 0 TO 100 New Lot of 25
Leeds Northrup 600173 H Chart Paper 100 TO 0 BY 10 0 TO 100 New Lot of 25
$275.00
LEEDS  NORTHRUP DECADE RESISTANCE BOX 4754
LEEDS NORTHRUP DECADE RESISTANCE BOX 4754
$125.00
Leeds  Northrup Co Optical Pyrometer SN 248342 w Hickok Power Compartment
Leeds Northrup Co Optical Pyrometer SN 248342 w Hickok Power Compartment
$68.63
LEEDS  NORTHRUP 4306 KELVIN BRIDGE
LEEDS NORTHRUP 4306 KELVIN BRIDGE
$325.00
LEEDS  NORTHRUP 5305 TEST SET RESISTANCE MEASUREMENTS GALVANOMETER
LEEDS NORTHRUP 5305 TEST SET RESISTANCE MEASUREMENTS GALVANOMETER
$125.00
LEEDS  NORTHRUP 5430 AM 1 TEST SET GALVANOMETER
LEEDS NORTHRUP 5430 AM 1 TEST SET GALVANOMETER
$60.00
LEEDS  NORTHRUP 4725 VINTAGE OPEN DIAL WHEATSTONE BRIDGE
LEEDS NORTHRUP 4725 VINTAGE OPEN DIAL WHEATSTONE BRIDGE
$225.00
LEEDS  NORTHRUP LN DIGITAL CHART RECORDER LN2
LEEDS NORTHRUP LN DIGITAL CHART RECORDER LN2
$100.00
LEEDS  NORTHRUP LN DIGITAL CHART RECORDER LN1
LEEDS NORTHRUP LN DIGITAL CHART RECORDER LN1
$150.00
Leeds and Northrup Co Type G 1 Mueller Temperature Bridge 8067
Leeds and Northrup Co Type G 1 Mueller Temperature Bridge 8067
$1,263.95
Leeds  Northrup Electronic Speed Changer 120V 50 60 Hz 351567
Leeds Northrup Electronic Speed Changer 120V 50 60 Hz 351567
$244.34
LEEDS  NORTHRUP Antique Open Dial Wheatstone Bridge
LEEDS NORTHRUP Antique Open Dial Wheatstone Bridge
$135.00
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
$37.50
LEEDS  NORTHRUP 100000 OHM DC VOLTAGE DIVIDER
LEEDS NORTHRUP 100000 OHM DC VOLTAGE DIVIDER
$195.00
 LEEDS  NORTHRUP CAT  8248 10
LEEDS NORTHRUP CAT 8248 10
$32.00
LEEDS  NORTHRUP CALIBRATOR TESTER MODEL 9696
LEEDS NORTHRUP CALIBRATOR TESTER MODEL 9696
$799.99
Leeds  Northrup Millivolt Testing Unit Reactor MTR Real Inst 1138212
Leeds Northrup Millivolt Testing Unit Reactor MTR Real Inst 1138212
$217.55
Vintage Leeds and Northrup Galvonometer Testing Set Set No 5410 J490
Vintage Leeds and Northrup Galvonometer Testing Set Set No 5410 J490
$69.99
1939 Leeds  Northrup Vintage ELCTRO CHEMOGRAPH Polarographic Analysis Test
1939 Leeds Northrup Vintage ELCTRO CHEMOGRAPH Polarographic Analysis Test
$8.99
LEEDS  NORTHRUP LN Model 9876 m DC POWER SUPPLY
LEEDS NORTHRUP LN Model 9876 m DC POWER SUPPLY
$60.00
LEEDS  NORTHRUP 10000 Ohm RESISTANCE STANDARD 10KOhm GOOD CONDITION
LEEDS NORTHRUP 10000 Ohm RESISTANCE STANDARD 10KOhm GOOD CONDITION
$425.00
LEEDS  NORTHRUP 10 Ohm RESISTANCE STANDARD GOOD CONDITION
LEEDS NORTHRUP 10 Ohm RESISTANCE STANDARD GOOD CONDITION
$425.00
LEEDS  NORTHRUP SERIES 4210 THOMAS TYPE ONE OHM RESISTANCE STANDARD 1 Ohm
LEEDS NORTHRUP SERIES 4210 THOMAS TYPE ONE OHM RESISTANCE STANDARD 1 Ohm
$650.00
VINTAGE ELECTROMAX LEEDS  NORTHRUP LN AMPLIFIER cat  6251 B
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER cat 6251 B
$40.00
LEEDS  NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD MODEL 4300
LEEDS NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD MODEL 4300
$425.00
LEEDS  NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD 21502
LEEDS NORTHRUP PRIMARY VARIABLE LOW RESISTANCE STANDARD 21502
$325.00
Leeds  Northrup Co Volt Box Attenuator Cat 7592
Leeds Northrup Co Volt Box Attenuator Cat 7592
$18.00
Leeds  Northrup DC Null Detector 9834 2 w Tubes
Leeds Northrup DC Null Detector 9834 2 w Tubes
$29.50
LEEDS AND NORTHRUP AMP AMPLIFIER 101159 120V 60HZ 12AX7 NEW OLD STOCK
LEEDS AND NORTHRUP AMP AMPLIFIER 101159 120V 60HZ 12AX7 NEW OLD STOCK
$99.99
NEWLot of 46 Leeds  Northrup Chart Recording Instrument Paper No 30678562
NEWLot of 46 Leeds Northrup Chart Recording Instrument Paper No 30678562
$125.00
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
$325.00
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
$250.00
Vtg Leeds  Northrup Galvanometer Millivolt TEST SET 31031 Volt Meter Amp Gauge
Vtg Leeds Northrup Galvanometer Millivolt TEST SET 31031 Volt Meter Amp Gauge
$44.99
LOT OF 138 ROLLS OF LEEDS  NORTHRUP MINIATURE RECORDER CHART PAPER 679512 NEW
LOT OF 138 ROLLS OF LEEDS NORTHRUP MINIATURE RECORDER CHART PAPER 679512 NEW
$149.99
LEEDS NORTHRUP 056098 LOOP DIGITAL D CONTROLLER B440222
LEEDS NORTHRUP 056098 LOOP DIGITAL D CONTROLLER B440222
$157.13
LOT OF 12 ROLLS OF LEEDS  NORTHRUP CHART PAPER 545009 G NEW
LOT OF 12 ROLLS OF LEEDS NORTHRUP CHART PAPER 545009 G NEW
$39.99
Leeds  Northrup Micromhos Specific Conductance with 910 EE3 and 51179
Leeds Northrup Micromhos Specific Conductance with 910 EE3 and 51179
$100.00
Leeds  Northrup 5430 AM 1 Test Set Galvanometer
Leeds Northrup 5430 AM 1 Test Set Galvanometer
$105.26
RX 949 LEEDS  NORTHRUP 4288 2 KELVIN BRIDGE
RX 949 LEEDS NORTHRUP 4288 2 KELVIN BRIDGE
$450.00
LEEDS  NORTHRUP 5305 TEST SET RESISTANCE MEASUREMENTS GALVANOMETER USED
LEEDS NORTHRUP 5305 TEST SET RESISTANCE MEASUREMENTS GALVANOMETER USED
$80.00
Leeds Northrup Speedomax 165 Graphic Recorder Chart Paper Roll 01091487 544199 G
Leeds Northrup Speedomax 165 Graphic Recorder Chart Paper Roll 01091487 544199 G
$9.99
Leeds  Northrup Speedomax 250 Graphic Chart Paper Recorder Roll 10616218 545666
Leeds Northrup Speedomax 250 Graphic Chart Paper Recorder Roll 10616218 545666
$9.99
LOT 11 NEW LEEDS NORTHRUP 528901 RECORDER CHART PAPER D230948
LOT 11 NEW LEEDS NORTHRUP 528901 RECORDER CHART PAPER D230948
$13.68
NEW LEEDS NORTHRUP 152137 COMPENSATOR TEMPERATURE 5 1 2 IN PROBE B325186
NEW LEEDS NORTHRUP 152137 COMPENSATOR TEMPERATURE 5 1 2 IN PROBE B325186
$39.68
LEEDS NORTHRUP 5305 RESISTENCE BRIDGE
LEEDS NORTHRUP 5305 RESISTENCE BRIDGE
$125.00




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