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

$46.00

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LEEDS & NORTHRUP COMPANY 965807-3 ROTARY SWITCH 031262
LEEDS & NORTHRUP COMPANY 965807-3 ROTARY SWITCH 031262

$34.97

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NEW Leeds & Northrup Company 4905-1-33-009-20-000 4905 Series Conductivity Cell
NEW Leeds & Northrup Company 4905-1-33-009-20-000 4905 Series Conductivity Cell

$143.98

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LEEDS & NORTHRUP COMPANY #7073-17-03-104-00-130 SPECIFIC CONDUCTANCE MONITOR S40
LEEDS & NORTHRUP COMPANY #7073-17-03-104-00-130 SPECIFIC CONDUCTANCE MONITOR S40

$99.99

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1942 LEEDS & NORTHRUP CO. Catalog MICROMAX SPEED RECORDERS
1942 LEEDS & NORTHRUP CO. Catalog MICROMAX SPEED RECORDERS

$14.95

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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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Employee Badge - Leeds & Northrup Co. Philadelphia, PA. WWII
Employee Badge - Leeds & Northrup Co. Philadelphia, PA. WWII

$110.99

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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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​HONEYWELL LEEDS & NORTHRUP COMPANY 653630 RANGE CARD RANGE: 0-1000mv
​HONEYWELL LEEDS & NORTHRUP COMPANY 653630 RANGE CARD RANGE: 0-1000mv

$119.99

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Antique Leeds & Northrup Co Possibly Potentiometer Galvanometer
Antique Leeds & Northrup Co Possibly Potentiometer Galvanometer

$129.99

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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 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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LEEDS & Northrup Co. 017209 AC Electric Motor 120V NYC-12
LEEDS & Northrup Co. 017209 AC Electric Motor 120V NYC-12

$225.00

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LEEDS & NORTHRUP COMPANY 019332 ROTARY Sensor *NEW*
LEEDS & NORTHRUP COMPANY 019332 ROTARY Sensor *NEW*

$29.09

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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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NEW Leeds & Northrup Company 4905-1-33-009-7-000 4905 Series Conductivity Cell
NEW Leeds & Northrup Company 4905-1-33-009-7-000 4905 Series Conductivity Cell

$117.98

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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 CO 028023 SPRING NSNP
LEEDS & NORTHRUP CO 028023 SPRING NSNP

$10.00

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LEEDS & NORTHRUP CO CONDUCTIVITY BRIDGE Galvanonmeter 4866
LEEDS & NORTHRUP CO CONDUCTIVITY BRIDGE Galvanonmeter 4866

$129.99

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Vintage Leeds & Northrup Company Self Inductance Milli-Henrys ~ KS 2242
Vintage Leeds & Northrup Company Self Inductance Milli-Henrys ~ KS 2242

$125.00

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

$85.00

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1937 Leeds & Northrup Company Philadelphia Phot Home Furnace Vintage Print Ad
1937 Leeds & Northrup Company Philadelphia Phot Home Furnace Vintage Print Ad

$16.18

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Leeds & Northrup Co. 4745
Leeds & Northrup Co. 4745

$52.00

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Leeds & Northrup Co 722883
Leeds & Northrup Co 722883

$250.00

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Vintage LEEDS & NORTHRUP CO. 2370 A.C. Galvanometer
Vintage LEEDS & NORTHRUP CO. 2370 A.C. Galvanometer

$109.99

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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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VINTAGE 1954 THERMOELECTRIC THERMOMETRY BY P.H. DIKE, LEEDS & NORTHRUP COMPANY
VINTAGE 1954 THERMOELECTRIC THERMOMETRY BY P.H. DIKE, LEEDS & NORTHRUP COMPANY

$29.99

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Leeds Northrup Company science test measurement equipment
Leeds Northrup Company science test measurement equipment

$150.00

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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

$178.00

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LEEDS & NORTHRUP CO 017138W MOTOR KCI-24 120 V R0142032
LEEDS & NORTHRUP CO 017138W MOTOR KCI-24 120 V R0142032

$38.35

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NEW LEEDS & NORTHRUP CO. 4905-1-33-0093-7 CONDUCTIVITY CELL W/ TEMP COMPENSATOR
NEW LEEDS & NORTHRUP CO. 4905-1-33-0093-7 CONDUCTIVITY CELL W/ TEMP COMPENSATOR

$350.00

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NEW LEEDS & NORTHRUP CO. 4905-001-33-093-7 CONDUCTIVITY CELL W/ TEMP COMPENSATOR
NEW LEEDS & NORTHRUP CO. 4905-001-33-093-7 CONDUCTIVITY CELL W/ TEMP COMPENSATOR

$170.00

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1932 Lamson Goodnow Leeds Northrup Philadelphia PA Measuring Ephemera L929E
1932 Lamson Goodnow Leeds Northrup Philadelphia PA Measuring Ephemera L929E

$8.95

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LEEDS & NORTHRUP 8067 TYPE G1 MUELLER TEMPERATURE BRIDGE
LEEDS & NORTHRUP 8067 TYPE G1 MUELLER TEMPERATURE BRIDGE

$175.00

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

$20.00

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1938 CS Redding VICE President LEEDS Northrup Company AZIENDE Politica Photo
1938 CS Redding VICE President LEEDS Northrup Company AZIENDE Politica Photo

$17.99

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Leeds And Northrup Company Stock Certificate 100 Shares 1976, Philadelphia, PA
Leeds And Northrup Company Stock Certificate 100 Shares 1976, Philadelphia, PA

$5.00

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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 Potentiometer by Leeds & Northrup Company
Vintage Potentiometer by Leeds & Northrup Company

$200.00

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Wheatstone Bridge- Queen & Co - Remodeled by Leeds & Northrup Co
Wheatstone Bridge- Queen & Co - Remodeled by Leeds & Northrup Co

$1624.99

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LEEDS & NORTHRUP COMPANY CONDUCTIVITY CELL 4973-001-208-000 NEW
LEEDS & NORTHRUP COMPANY CONDUCTIVITY CELL 4973-001-208-000 NEW

$64.99

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Antique 21" x 5" Wheatstone Bridge Slide Wire Mfg. By Leeds & Northrup Co.
Antique 21" x 5" Wheatstone Bridge Slide Wire Mfg. By Leeds & Northrup Co.

$34.95

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LEEDS & NORTHRUP CO. No. 017138 2-PHASE INDUCTION MOTOR, 120V, 50/60Hz, NIB
LEEDS & NORTHRUP CO. No. 017138 2-PHASE INDUCTION MOTOR, 120V, 50/60Hz, NIB

$38.95

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Vintage Leeds & Northrup Co 11037
Vintage Leeds & Northrup Co 11037

$130.00

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Leeds & Northrup Co Philadelphia 67135 Vintage 6 Terminal Knife Switch NewHandle
Leeds & Northrup Co Philadelphia 67135 Vintage 6 Terminal Knife Switch NewHandle

$69.99

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1948 Leeds & Northrup Co. Clark Equipment Gas Cyaniding Homocarb Method Print Ad
1948 Leeds & Northrup Co. Clark Equipment Gas Cyaniding Homocarb Method Print Ad

$9.57

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Vintage 1956-57 Leeds & Northrup Employee Union Handbook Philadelphia Job Policy
Vintage 1956-57 Leeds & Northrup Employee Union Handbook Philadelphia Job Policy

$13.99

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Leeds & Northrup Part No. 017289 24V. D-C Motor Servo-Tek Products Co. Type ST
Leeds & Northrup Part No. 017289 24V. D-C Motor Servo-Tek Products Co. Type ST

$19.95

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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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Leeds & Northrup Co Model 8631-C Optical Pyrometer Vintage
Leeds & Northrup Co Model 8631-C Optical Pyrometer Vintage

$199.99

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Leeds and Northrup Company 4905 Series Conductivity Cell 4905-50-44-088-7
Leeds and Northrup Company 4905 Series Conductivity Cell 4905-50-44-088-7

$119.00

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Leeds & Northrup Co Model 8622-C Optical Pyrometer Vintage
Leeds & Northrup Co Model 8622-C Optical Pyrometer Vintage

$149.99

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LEEDS & NORTHRUP CO. No. 196045 2-PHASE INDUCTION MOTOR, 25/120V, 50/60Hz, NNB
LEEDS & NORTHRUP CO. No. 196045 2-PHASE INDUCTION MOTOR, 25/120V, 50/60Hz, NNB

$37.95

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Leeds & Northrup 10970-3 Electro Pneumatic Converter, 20 PSI, 1-5MA DC, 3-15PSI
Leeds & Northrup 10970-3 Electro Pneumatic Converter, 20 PSI, 1-5MA DC, 3-15PSI

$88.99

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LEEDS & NORTHRUP CO CONDUCTIVITY BRIDGE Galvanonmeter 4866 (P7)
LEEDS & NORTHRUP CO CONDUCTIVITY BRIDGE Galvanonmeter 4866 (P7)

$35.00

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Leeds & Northrup Co. -- 017342 -- New
Leeds & Northrup Co. -- 017342 -- New

$55.00

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Leeds and Northrup Co. - 1903 Specimen Stock Certificate - Specimen Stocks & Bon
Leeds and Northrup Co. - 1903 Specimen Stock Certificate - Specimen Stocks & Bon

$75.00

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*Vintage Leeds & Northrup Temperature Potentiometer #8693 w/Book
*Vintage Leeds & Northrup Temperature Potentiometer #8693 w/Book

$80.96

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Vintage Leeds & Northrup RN-1 Wheatstone Bridge, Beautiful Wood Case, Untested
Vintage Leeds & Northrup RN-1 Wheatstone Bridge, Beautiful Wood Case, Untested

$89.95

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Vintage Potentiometer by Leeds & Northrup Company In Wooden Box
Vintage Potentiometer by Leeds & Northrup Company In Wooden Box

$79.99

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Vintage Leeds & Northrup Co. Self Inductance Milli-Henrys, C.S.M. 13386
Vintage Leeds & Northrup Co. Self Inductance Milli-Henrys, C.S.M. 13386

$82.98

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Antique Leeds & Northrup Co. Electric Box-Resistance.Measurement
Antique Leeds & Northrup Co. Electric Box-Resistance.Measurement

$50.00

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Leeds & Northrup / Catalogue no 48 1915 The Measurement of Conductivity
Leeds & Northrup / Catalogue no 48 1915 The Measurement of Conductivity

$58.00

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Leeds & Northrup / Catalogue no 75 1923 Electrometric Apparatus & Instruments
Leeds & Northrup / Catalogue no 75 1923 Electrometric Apparatus & Instruments

$47.00

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Antique Ohmmeter No. 4282 Leeds & Northrup Company Millivolt Thermocouple
Antique Ohmmeter No. 4282 Leeds & Northrup Company Millivolt Thermocouple

$75.00

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1930 Notes On Hyrdogen ION Measurements Note Book 3 Leeds & Northrup Company PA
1930 Notes On Hyrdogen ION Measurements Note Book 3 Leeds & Northrup Company PA

$42.49

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rare vintage antique LEEDS & NORTHRUP CO ? electrical meter dial indicator
rare vintage antique LEEDS & NORTHRUP CO ? electrical meter dial indicator

$150.00

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Leeds & Northrup 7645 Students' Universal Potentiometer, Ayrton shunt
Leeds & Northrup 7645 Students' Universal Potentiometer, Ayrton shunt

$79.40

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

$6.95

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Steampunk Vintage 1930 Micromax Leeds & Northrup Co. Potentiometric Recorder
Steampunk Vintage 1930 Micromax Leeds & Northrup Co. Potentiometric Recorder

$949.00

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Leeds & Northrup Co Cat 8687 Volt Potentiometer
Leeds & Northrup Co Cat 8687 Volt Potentiometer

$234.99

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Leeds & Northrup Co. CAT NO. 4745 SN. 228475
Leeds & Northrup Co. CAT NO. 4745 SN. 228475

$69.00

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LEEDS & NORTHRUP 017138 INDUCTION MOTOR 2 PHASE "NEW" No 250576
LEEDS & NORTHRUP 017138 INDUCTION MOTOR 2 PHASE "NEW" No 250576

$32.00

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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 Co. 017342 2-Phase Induction Motor
Leeds & Northrup Co. 017342 2-Phase Induction Motor

$10.50

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Leeds & Northrup 10970-3 Electro Pneumatic Converter, 20 PSI, 1-5MA DC, 3-15PSI
Leeds & Northrup 10970-3 Electro Pneumatic Converter, 20 PSI, 1-5MA DC, 3-15PSI

$199.97

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1949 Leeds & Northrup Pawtuck Ring Co. Central Falls Rhode Island Photo Print Ad
1949 Leeds & Northrup Pawtuck Ring Co. Central Falls Rhode Island Photo Print Ad

$12.77

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Vintage Leeds & Northrup Co. Type P reflecting galvanometer, model 2239-a; NEW
Vintage Leeds & Northrup Co. Type P reflecting galvanometer, model 2239-a; NEW

$124.50

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Leeds & Northrup Co. 267151 2-Phase Induction Motor
Leeds & Northrup Co. 267151 2-Phase Induction Motor

$15.25

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Leeds & Northrup Co. 500 Ohm Precision Resistor Standard
Leeds & Northrup Co. 500 Ohm Precision Resistor Standard

$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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1957 Installation & Operation Manual Speedomax H Instruments Leeds & Northrup Co
1957 Installation & Operation Manual Speedomax H Instruments Leeds & Northrup Co

$15.00

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1929 Lamson Goodnow Leeds Northrup Co Philadelphia PA Furnace Ephemera L956A
1929 Lamson Goodnow Leeds Northrup Co Philadelphia PA Furnace Ephemera L956A

$6.95

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L&N 082122 O-Ring (Pack of 5) Leeds & Northrup Co
L&N 082122 O-Ring (Pack of 5) Leeds & Northrup Co

$22.50

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Leeds & Northrup A6705PA 503 214 Kit 124114
Leeds & Northrup A6705PA 503 214 Kit 124114

$25.00

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

$275.00

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Leeds & Northrup Lab Voltage Slide Wire Potentiometer ~ With Top ~ Model K2
Leeds & Northrup Lab Voltage Slide Wire Potentiometer ~ With Top ~ Model K2

$495.00

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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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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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Leeds & Northrup 122-304-304-00-00-C0213-C0112-6 Speedomax Chart Recorder 120V
Leeds & Northrup 122-304-304-00-00-C0213-C0112-6 Speedomax Chart Recorder 120V

$272.00

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L&N 301393 Washer (Pack of 5) Leeds & Northrup Co
L&N 301393 Washer (Pack of 5) Leeds & Northrup Co

$20.00

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Lot 4 PENNSYLVANIA Stock Certificate Atlantic Richfield / LNC / Leeds & Northrup
Lot 4 PENNSYLVANIA Stock Certificate Atlantic Richfield / LNC / Leeds & Northrup

$23.95

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Lot of Three(3) Books Manuals Industrial Press Metric Conversion Leeds Northrup
Lot of Three(3) Books Manuals Industrial Press Metric Conversion Leeds Northrup

$14.89

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LEEDS & NORTHRUP CO 7073-63-00-107-6-0 MOUNT MONITOR, 120V 50/60Hz
LEEDS & NORTHRUP CO 7073-63-00-107-6-0 MOUNT MONITOR, 120V 50/60Hz

$69.95

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*Vintage Leeds & Northrup Co. Potentiometer Millivolt Thermo-Couple
*Vintage Leeds & Northrup Co. Potentiometer Millivolt Thermo-Couple

$80.96

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

$150.00

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STERLING Leeds & Northrup Co 25 Year Employee Service Pin William R. Hodson
STERLING Leeds & Northrup Co 25 Year Employee Service Pin William R. Hodson

$75.00

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Leeds & Northrup Electronic Volt Resistance Tester Lab Instrument Wood Box
Leeds & Northrup Electronic Volt Resistance Tester Lab Instrument Wood Box

$219.99

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L&N 082124 O-Ring Dual (Pack of 5) Leeds & Northrup Co
L&N 082124 O-Ring Dual (Pack of 5) Leeds & Northrup Co

$25.00

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Antique Leeds & Northrup Co Model 103153
Antique Leeds & Northrup Co Model 103153

$199.99

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