Leeds Northrup

LEEDS  NORTHRUP GUARDED POTENTIOMETER CATALOG PART NO 7556 UNTESTED L  N
LEEDS NORTHRUP GUARDED POTENTIOMETER CATALOG PART NO 7556 UNTESTED L N
$50.00
Vntg POTENTIOMETER LEEDS  NORTHRUP Co TESTER RCA LAB OAK CASE W GALVANOMETER
Vntg POTENTIOMETER LEEDS NORTHRUP Co TESTER RCA LAB OAK CASE W GALVANOMETER
$49.99
Leeds  Northrup Resistance ReferenceStandards 8 01 Ohm to 1 MegOhm TEST
Leeds Northrup Resistance ReferenceStandards 8 01 Ohm to 1 MegOhm TEST
$2,000.00
LEEDS  NORTHRUP 8064 A Resistance Thermometer Bridge Make Offer
LEEDS NORTHRUP 8064 A Resistance Thermometer Bridge Make Offer
$300.00
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
VINTAGE LEEDS  NORTHRUP SELF INDUCTANCE Tester Milli Henrys
VINTAGE LEEDS NORTHRUP SELF INDUCTANCE Tester Milli Henrys
$65.00
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
Leeds  Northrup Zero Voltage Power Pack
Leeds Northrup Zero Voltage Power Pack
$19.99
Leeds  Northrup Chart Recorder LN200 201 51 000 SP36
Leeds Northrup Chart Recorder LN200 201 51 000 SP36
$75.00
Leeds  Northrup Chart Recorder LN200 202 12 100 SP36
Leeds Northrup Chart Recorder LN200 202 12 100 SP36
$95.00
20 rolls Leeds and Northrup Speedmax Chart Paper 537104
20 rolls Leeds and Northrup Speedmax Chart Paper 537104
$12.00
Leeds  Northrup Chart Recorder mdl 201 11 000 NN21
Leeds Northrup Chart Recorder mdl 201 11 000 NN21
$169.98
1930s Leeds  Northrup Model 4775 Resistance Calibrator Decade Resistor Box
1930s Leeds Northrup Model 4775 Resistance Calibrator Decade Resistor Box
$35.00
1930s Leeds  Northrup Model 4776 Resistance Calibrator Decade Resistor Box
1930s Leeds Northrup Model 4776 Resistance Calibrator Decade Resistor Box
$35.00
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
Leeds  Northrup Co KS 5588 L4 Wheatstone Bridge ELECTRICAL RESISTANCE TEST SET
Leeds Northrup Co KS 5588 L4 Wheatstone Bridge ELECTRICAL RESISTANCE TEST SET
$90.00
10 PACKLeeds  Northrup Chart Recording Instrument Paper No 30678562
10 PACKLeeds Northrup Chart Recording Instrument Paper No 30678562
$49.99
Vintage Leeds and Northrup KELVIN BRIDGE OHMMETER Model 4285 in Wood Case USA
Vintage Leeds and Northrup KELVIN BRIDGE OHMMETER Model 4285 in Wood Case USA
$199.00
Leeds  Northrup 8693 2 Temperature Potentiometer Thermocouple Simulator Tester
Leeds Northrup 8693 2 Temperature Potentiometer Thermocouple Simulator Tester
$84.95
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 2666 Ayrton Shunt for Galvanometers Excellent
Vintage Leeds Northrup 2666 Ayrton Shunt for Galvanometers Excellent
$30.00
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 Co Optical Pyrometer SN 248342 w Hickok Power Compartment
Leeds Northrup Co Optical Pyrometer SN 248342 w Hickok Power Compartment
$84.99
Leeds Northrup Reflecting Mirror Galvanometer Gray Model 2430 C Vtg Tester
Leeds Northrup Reflecting Mirror Galvanometer Gray Model 2430 C Vtg Tester
$40.00
 LEEDS  NORTHRUP CAT  8248 10
LEEDS NORTHRUP CAT 8248 10
$40.00
LEEDS  NORTHRUP 5305 Test Set Resistance Measurements Galvanometer
LEEDS NORTHRUP 5305 Test Set Resistance Measurements Galvanometer
$175.95
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 4045B
Leeds Northrup 4045B
$395.00
Leeds  Northrup 4040B
Leeds Northrup 4040B
$395.00
Leeds  Northrup LN Cat 4775 Decade Resistance Resistor Box NIST CALIBRATED
Leeds Northrup LN Cat 4775 Decade Resistance Resistor Box NIST CALIBRATED
$79.00
LEEDS  NORTHRUP 4385 SHUNT BOX CALIBRATED
LEEDS NORTHRUP 4385 SHUNT BOX CALIBRATED
$150.00
Vintage Leeds  Northrup Phil PA Wooden Test Set No 5430 A
Vintage Leeds Northrup Phil PA Wooden Test Set No 5430 A
$40.76
LEEDS  NORTHRUP LN Model 9828 DC NULL DETECTOR c
LEEDS NORTHRUP LN Model 9828 DC NULL DETECTOR c
$50.00
LEEDS  NORTHRUP LN Model 9876 m DC POWER SUPPLY
LEEDS NORTHRUP LN Model 9876 m DC POWER SUPPLY
$75.00
LEEDS  NORTHRUP LN Model 9828 DC NULL DETECTOR b
LEEDS NORTHRUP LN Model 9828 DC NULL DETECTOR b
$50.00
LEEDS  NORTHRUP LN Model 7556 GUARDED POTENTIOMETER
LEEDS NORTHRUP LN Model 7556 GUARDED POTENTIOMETER
$150.00
VINTAGE ELECTROMAX LEEDS  NORTHRUP LN AMPLIFIER cat  6251 B
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER cat 6251 B
$50.00
LN LEEDS NORTHRUP 7075 1 CONDUCTIVITY TESTER METER SPECIFIC CONDUCTANCE
LN LEEDS NORTHRUP 7075 1 CONDUCTIVITY TESTER METER SPECIFIC CONDUCTANCE
$34.99
Leeds  Northrup pH Meter model 7401
Leeds Northrup pH Meter model 7401
$67.93
++ VINTAGE 50s Leeds  Northrup Co Potentiometer NUCLEAR ERA
++ VINTAGE 50s Leeds Northrup Co Potentiometer NUCLEAR ERA
$500.00
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
VINTAGE LEEDS  NORTHRUP GALVANOMETER IN EXCELENT CONDITION W KEY  CONVTABLES
VINTAGE LEEDS NORTHRUP GALVANOMETER IN EXCELENT CONDITION W KEY CONVTABLES
$119.11
Leeds  Northrup Co Volt Box Attenuator Cat 7592
Leeds Northrup Co Volt Box Attenuator Cat 7592
$15.00
Vintage Leeds  Northrup 2239E Galvanometer 1920 era With iron stand 99
Vintage Leeds Northrup 2239E Galvanometer 1920 era With iron stand 99
$99.00
LEEDS  NORTHRUP CO SHUNT UNIT CAT NO 4360 VINTAGE 1938 01 OHM 15 AMP
LEEDS NORTHRUP CO SHUNT UNIT CAT NO 4360 VINTAGE 1938 01 OHM 15 AMP
$188.88
Vintage Leeds Northrup Complete Roll Chart Paper 40 Yds 347
Vintage Leeds Northrup Complete Roll Chart Paper 40 Yds 347
$10.00
++ VINTAGE LEEDS  NORTHRUP METER IN WOOD CASE
++ VINTAGE LEEDS NORTHRUP METER IN WOOD CASE
$75.00
LEEDS NORTHRUP SPEEDOMAX CHART RECORDER 115 230 VAC
LEEDS NORTHRUP SPEEDOMAX CHART RECORDER 115 230 VAC
$299.95
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 DC Null Detector 9834 2 w Tubes
Leeds Northrup DC Null Detector 9834 2 w Tubes
$39.50
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER USED
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER USED
$55.00
NEWLeeds  Northrup Chart Recording Instrument Paper No 30678562
NEWLeeds Northrup Chart Recording Instrument Paper No 30678562
$8.00
Leeds Northrup Cat 8070 Resistor Standard
Leeds Northrup Cat 8070 Resistor Standard
$89.99
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
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER
$50.00
INCOLN THERMAL CONVERTER CW10 LEEDS  NORTHRUP
INCOLN THERMAL CONVERTER CW10 LEEDS NORTHRUP
$99.99
VINTAGE LEEDS  NORTHRUP LN AMPLIFIER R 820 1 PROD  57258
VINTAGE LEEDS NORTHRUP LN AMPLIFIER R 820 1 PROD 57258
$50.00
Vintage Leeds  Northrup Singe Range Potentiometer in Wood Case Works
Vintage Leeds Northrup Singe Range Potentiometer in Wood Case Works
$59.95
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
Leeds  Northrup 8627 Optical Pyrometer NICE
Leeds Northrup 8627 Optical Pyrometer NICE
$390.00
Leeds  Northrup Electronic Speed Changer 120V 50 60 Hz 351567
Leeds Northrup Electronic Speed Changer 120V 50 60 Hz 351567
$269.72
ANTIQUE VINTAGE OLD LEEDS  NORTHRUP L  N POTENTIOMETER INDICATOR WOOD CASE
ANTIQUE VINTAGE OLD LEEDS NORTHRUP L N POTENTIOMETER INDICATOR WOOD CASE
$55.99
Leeds  Northrup Micromax Smoke Density Recordders N 93 163 1942 Catalog ST101
Leeds Northrup Micromax Smoke Density Recordders N 93 163 1942 Catalog ST101
$6.75
Leeds  Northrup Micromax Electric Control N 00 A 1942 Catalog ST101
Leeds Northrup Micromax Electric Control N 00 A 1942 Catalog ST101
$6.95
Leeds  Northrup Micromax Speed Recorders N 27 1942 Manual ST101
Leeds Northrup Micromax Speed Recorders N 27 1942 Manual ST101
$6.75
Leeds  Northrup Micromax Resistance Thermometers N 33 C 1942 Manual ST101
Leeds Northrup Micromax Resistance Thermometers N 33 C 1942 Manual ST101
$6.95
Leeds  Northrup 0 1000F Range Card 650003 Type J
Leeds Northrup 0 1000F Range Card 650003 Type J
$40.00
Leeds  Northrup 0 1500F Range Card 650019 Type J
Leeds Northrup 0 1500F Range Card 650019 Type J
$40.00
Leeds  Northrup Speedomax W Chart Paper 490173
Leeds Northrup Speedomax W Chart Paper 490173
$7.50
Vintage 1920s Leeds  Northrup Co 2239E Galvanometer 2
Vintage 1920s Leeds Northrup Co 2239E Galvanometer 2
$39.50
Vintage 1920s Leeds  Northrup Co 2239E Galvanometer
Vintage 1920s Leeds Northrup Co 2239E Galvanometer
$29.99
Leeds  Northrup Model 8692 Type K Temperature Potentiometer
Leeds Northrup Model 8692 Type K Temperature Potentiometer
$100.00
VINTAGE LEEDS  NORTHRUP 4866 CONDUCTIVITY BRIDGE RESISTANCE OHMS MANUAL RARE
VINTAGE LEEDS NORTHRUP 4866 CONDUCTIVITY BRIDGE RESISTANCE OHMS MANUAL RARE
$99.00
LEEDS  NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
LEEDS NORTHRUP LN 9828 NULL DETECTOR GUARDED POTENTIOMETER 7556 bb
$500.00
LEEDS  NORTHRUP LN DECADE RESISTOR TYPE 4747 S  e
LEEDS NORTHRUP LN DECADE RESISTOR TYPE 4747 S e
$60.00
LOT 6 NEW LEEDS NORTHRUP 041393 BLUE DISPOSABLE MARKER PEN D359561
LOT 6 NEW LEEDS NORTHRUP 041393 BLUE DISPOSABLE MARKER PEN D359561
$20.00
Leeds  Northrup Century 464 Controller Transmitter Calibration Test Set
Leeds Northrup Century 464 Controller Transmitter Calibration Test Set
$199.00
Leeds  Northrup 7552 Potentiometer Instruction Manual Original SHIPS FREE
Leeds Northrup 7552 Potentiometer Instruction Manual Original SHIPS FREE
$19.99
1930s+ ANTIQUE LEEDS  NORTHRUP 4775 RESISTANCE 4 CHANNEL DECADE BOX Test Meter
1930s+ ANTIQUE LEEDS NORTHRUP 4775 RESISTANCE 4 CHANNEL DECADE BOX Test Meter
$31.05
Leeds  Northrup Test Set 5430 AM 1
Leeds Northrup Test Set 5430 AM 1
$40.00
NEW Leeds  Northrup Front Mechanism For Micromax Recorder 352343 R 203 1
NEW Leeds Northrup Front Mechanism For Micromax Recorder 352343 R 203 1
$99.95
Leeds  Northrup 8690 2 Millivolt Potentiometer
Leeds Northrup 8690 2 Millivolt Potentiometer
$90.00
Leeds  Northrup BIF 20265 11 01 01 01 L1609 01 L1609 01 000 Level Indicator
Leeds Northrup BIF 20265 11 01 01 01 L1609 01 L1609 01 000 Level Indicator
$59.95
Leeds  Northrup Kelvin Bridge Cat No 4288 with Test Wires
Leeds Northrup Kelvin Bridge Cat No 4288 with Test Wires
$579.00
Leeds  Northrup 4755 AC DC decade resistor 1111kohms total E0
Leeds Northrup 4755 AC DC decade resistor 1111kohms total E0
$75.00
Micro Ameter LEEDS  NORTHRUP CO CAT NO 2435 C 187130
Micro Ameter LEEDS NORTHRUP CO CAT NO 2435 C 187130
$232.21
Vintage Leeds  Northrup CoOptical Pyrometer Eye Piece and Cord Model No 187632
Vintage Leeds Northrup CoOptical Pyrometer Eye Piece and Cord Model No 187632
$25.49
Leeds and Northrup chart paper 690112
Leeds and Northrup chart paper 690112
$5.00
Leeds  Northrup Model 4775 Decade Resistor Box
Leeds Northrup Model 4775 Decade Resistor Box
$39.99
LEEDS NORTHRUP SPEEDOMAX CHART RECORDER 115 230 VAC 063205
LEEDS NORTHRUP SPEEDOMAX CHART RECORDER 115 230 VAC 063205
$349.99
LEEDS  NORTHRUP MODEL 8690 MILLIVOLT POTENTIOMETER
LEEDS NORTHRUP MODEL 8690 MILLIVOLT POTENTIOMETER
$49.99
Leeds  Northrup Ultrasonic Doppler Flowmeter 475 1 120 120V 25MA 4 20mA Used
Leeds Northrup Ultrasonic Doppler Flowmeter 475 1 120 120V 25MA 4 20mA Used
$74.65
LEEDS  NORTHRUP 923 NUMATRON DIGITAL INDICATOR AS ISFOR PARTS
LEEDS NORTHRUP 923 NUMATRON DIGITAL INDICATOR AS ISFOR PARTS
$40.00




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