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Welch Scientific DC volt and Ammeter could use a bit of a clean but good shape
Welch Scientific DC volt and Ammeter could use a bit of a clean but good shape

$25.99

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Sargent Welch Scientific Sarvac 8804 Vacuum Pump - Free Shipping
Sargent Welch Scientific Sarvac 8804 Vacuum Pump - Free Shipping

$276.00

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Vintage Sargent-Welch Scientific Anatomical Perch Model
Vintage Sargent-Welch Scientific Anatomical Perch Model

$93.79

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Vintage Welch Scientific Company Cubic Millimeter Teaching Model Science Volume
Vintage Welch Scientific Company Cubic Millimeter Teaching Model Science Volume

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Welch Scientific Electromagnet Not Working
Welch Scientific Electromagnet Not Working

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Welch Scientific Company Hand Sextant 3536 Box Manual Instructions Vintage READ
Welch Scientific Company Hand Sextant 3536 Box Manual Instructions Vintage READ

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WM Welch Copper Steam Generator Boiler Welch Scientific Hypsometer Chicago
WM Welch Copper Steam Generator Boiler Welch Scientific Hypsometer Chicago

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VINTAGE W.M WELCH SCIENTIFIC CENTRIFUGE HAND CRANK DESK BENCH MOUNT WORKS SMOOTH
VINTAGE W.M WELCH SCIENTIFIC CENTRIFUGE HAND CRANK DESK BENCH MOUNT WORKS SMOOTH

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Antique Magic Lantern Glass Slides Welch Scientific Company X-rays Vintage 5 pc
Antique Magic Lantern Glass Slides Welch Scientific Company X-rays Vintage 5 pc

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SERGENT-WELCH SCIENTIFIC 3346B RIPPLE TANK OSCILLATOR TESTED
SERGENT-WELCH SCIENTIFIC 3346B RIPPLE TANK OSCILLATOR TESTED

$35.00

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Welch Scientific AA5 AM Tube Radio Demonstrator Trainer – Tested & Working
Welch Scientific AA5 AM Tube Radio Demonstrator Trainer – Tested & Working

$499.99

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SERGENT-WELCH SCIENTIFIC 3346B RIPPLE TANK OSCILLATOR TESTED+
SERGENT-WELCH SCIENTIFIC 3346B RIPPLE TANK OSCILLATOR TESTED+

$35.00

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WELCH SCIENTIFIC CO. POWER UNIT
WELCH SCIENTIFIC CO. POWER UNIT

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Vintage Retort Porcelain Stand - W. M. Welch Scientific Co. Chicago, Illonois
Vintage Retort Porcelain Stand - W. M. Welch Scientific Co. Chicago, Illonois

$199.99

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Antique 1928 WM Welch Scientific Catalog "G" Instruments & Laboratory Supplies
Antique 1928 WM Welch Scientific Catalog "G" Instruments & Laboratory Supplies

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3 Vtg W.M. Welch Scientific Co. Apparatus Experiment Steampunk Telegraph Keys?
3 Vtg W.M. Welch Scientific Co. Apparatus Experiment Steampunk Telegraph Keys?

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Vintage Welch Scientific Classroom Lab Variable Rheostat 35 Ohms
Vintage Welch Scientific Classroom Lab Variable Rheostat 35 Ohms

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Vintage Welch Scientific Double Pan Balance Scale & Weights Chicago USA 10 Grams
Vintage Welch Scientific Double Pan Balance Scale & Weights Chicago USA 10 Grams

$49.50

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WM Welch Scientific Company Variable Resistor
WM Welch Scientific Company Variable Resistor

$80.00

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VINTAGE WELCH SCIENTIFIC GRAMS BALANCE SCALE
VINTAGE WELCH SCIENTIFIC GRAMS BALANCE SCALE

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Welch Piston Cutaway Scientific Demonstrator Machine Age Classroom Display
Welch Piston Cutaway Scientific Demonstrator Machine Age Classroom Display

$225.00

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Vintage 1963 Welch Scientific Rolled Classroom Chart DOGFISH ANATOMY 38" x 48"
Vintage 1963 Welch Scientific Rolled Classroom Chart DOGFISH ANATOMY 38" x 48"

$50.00

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Vintage Sargent-Welch Scientific Anatomical Perch Model
Vintage Sargent-Welch Scientific Anatomical Perch Model

$715.00

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Vintage Welch Scientific Company Bar Magnets
Vintage Welch Scientific Company Bar Magnets

$6.99

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Sticker Decal Badge Advertising Sargent Welch Scientific Co Collectible Label
Sticker Decal Badge Advertising Sargent Welch Scientific Co Collectible Label

$11.20

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Pair of Vintage Welch Scientific Scales
Pair of Vintage Welch Scientific Scales

$14.99

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VINTAGE 5" VERNIER CALIPER W.M. WELCH SCIENTIFIC CO.
VINTAGE 5" VERNIER CALIPER W.M. WELCH SCIENTIFIC CO.

$11.75

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W.M. Welch Scientific A.C. Ammeter - Vintage AC Meter
W.M. Welch Scientific A.C. Ammeter - Vintage AC Meter

$29.95

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Vintage Sargent Welch Scientific 3720 Z Transformer Power Supply Unit
Vintage Sargent Welch Scientific 3720 Z Transformer Power Supply Unit

$79.95

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Welch LIGHT REFRACTION OPTICAL DISK SCIENTIFIC LAB INSTRUMENT
Welch LIGHT REFRACTION OPTICAL DISK SCIENTIFIC LAB INSTRUMENT

$375.00

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WELCH Outside Micrometer 0-25mm (0-1") Welch Scientific Co. W/Case USA
WELCH Outside Micrometer 0-25mm (0-1") Welch Scientific Co. W/Case USA

$22.45

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Vintage Welch Scientific Galvanometer 2732 Art Deco Design Laboratory Device
Vintage Welch Scientific Galvanometer 2732 Art Deco Design Laboratory Device

$39.95

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Antique Vintage DC Voltmeter Steampunk Welch Scientific Apparatus Chicago
Antique Vintage DC Voltmeter Steampunk Welch Scientific Apparatus Chicago

$44.99

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Single Tube Short Wave Radio Receiver - Welch Scientific Co
Single Tube Short Wave Radio Receiver - Welch Scientific Co

$399.99

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Vintage Welch Scientific Co. Chicago Ill Hanging Scale - 72 oz 2000 grams - Used
Vintage Welch Scientific Co. Chicago Ill Hanging Scale - 72 oz 2000 grams - Used

$9.00

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Welch Scientific High Voltage Power Supply Demonstrator Trainer – Tested & Worki
Welch Scientific High Voltage Power Supply Demonstrator Trainer – Tested & Worki

$499.99

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1940s Welch Scientific 1775-1 Steam Demonstration - Mint Condition # 0788
1940s Welch Scientific 1775-1 Steam Demonstration - Mint Condition # 0788

$299.00

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Vintage W.M. Welch Scientific Company Machinist Tool, Working, Chicago Illinois
Vintage W.M. Welch Scientific Company Machinist Tool, Working, Chicago Illinois

$24.99

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Vintage Welch Scientific Resistance Box Decade Resistor Model 3693 Lab Equipment
Vintage Welch Scientific Resistance Box Decade Resistor Model 3693 Lab Equipment

$47.49

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Welch Scientific Apparatus 1934 With Separate Catalog And Order Sheet NRA Stamp
Welch Scientific Apparatus 1934 With Separate Catalog And Order Sheet NRA Stamp

$59.00

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Vintage Welch Scientific Co Resistance Coil Kit # 2820 Resistivity Teaching Aid
Vintage Welch Scientific Co Resistance Coil Kit # 2820 Resistivity Teaching Aid

$31.99

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Vintage Welch Scientific Co. Book Of Chemical Labels For Apothecary And Lab Jars
Vintage Welch Scientific Co. Book Of Chemical Labels For Apothecary And Lab Jars

$36.00

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W.M. Welch Scientific D.C. Ammeter - Vintage DC Meter
W.M. Welch Scientific D.C. Ammeter - Vintage DC Meter

$39.95

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Vintage Welch Scientific Company Galvanometer Gauge 2732
Vintage Welch Scientific Company Galvanometer Gauge 2732

$21.24

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Vintage Welch Scientific Large Painted Anatomical Ear Model Medical Teaching Aid
Vintage Welch Scientific Large Painted Anatomical Ear Model Medical Teaching Aid

$47.99

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WELCH SCIENTIFIC DENSICHRON 3853D TRANSMISSION LIGHT SOURCE
WELCH SCIENTIFIC DENSICHRON 3853D TRANSMISSION LIGHT SOURCE

$187.00

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The Welch Scientific welch sliding rheostat 40 ohm 3.2 amp
The Welch Scientific welch sliding rheostat 40 ohm 3.2 amp

$35.00

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RARE W.M. WELCH SARGENT WELCH SCIENTIFIC COMPANY CHICAGO IL. EMPLOYEE BADGE PIN
RARE W.M. WELCH SARGENT WELCH SCIENTIFIC COMPANY CHICAGO IL. EMPLOYEE BADGE PIN

$49.95

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Vintage The Welch Scientific Co Rheostat? Skokie Illinois USA
Vintage The Welch Scientific Co Rheostat? Skokie Illinois USA

$40.00

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W.M. Welch Scientific Co. - D.C. Ammeter
W.M. Welch Scientific Co. - D.C. Ammeter

$24.99

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Sargent Welch Volts DC Gauge 15D43 Scientific Company voltmeter
Sargent Welch Volts DC Gauge 15D43 Scientific Company voltmeter

$29.99

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Sargent-Welch Scientific Co AC DC 50W Power Supply S-30972-60
Sargent-Welch Scientific Co AC DC 50W Power Supply S-30972-60

$40.50

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Welch Scientific Company Hand Sextant In Box And Plane Table Manual
Welch Scientific Company Hand Sextant In Box And Plane Table Manual

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Very Rare WELCH SCIENTIFIC Co. IL USA Barometer Humidity Weather Gauge Steam Pun
Very Rare WELCH SCIENTIFIC Co. IL USA Barometer Humidity Weather Gauge Steam Pun

$208.24

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WM Welch Scientific Nickel Nitrate Chemistry Agricultural Empty Glass Bottle
WM Welch Scientific Nickel Nitrate Chemistry Agricultural Empty Glass Bottle

$33.00

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Vintage Welch Scientific Co. Morse Code Tapping Contact Switch AS-IS Chicago
Vintage Welch Scientific Co. Morse Code Tapping Contact Switch AS-IS Chicago

$40.00

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Analog Meter DC Volts Welch Scientific Co
Analog Meter DC Volts Welch Scientific Co

$12.50

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8 VINTAGE WELCH SCIENTIFIC GALVANOMETER, A.C. D.C. VOLTS AND D.C AMPERES METERS
8 VINTAGE WELCH SCIENTIFIC GALVANOMETER, A.C. D.C. VOLTS AND D.C AMPERES METERS

$99.99

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Lot of four (4) WM Welch Bakelite Benchtop Scientific Meters
Lot of four (4) WM Welch Bakelite Benchtop Scientific Meters

$92.50

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ANTIQUE Welch Scientific CO Ear Piece / Headphone (PARTS ONLY)
ANTIQUE Welch Scientific CO Ear Piece / Headphone (PARTS ONLY)

$29.99

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Vintage W. M. Welch Scientific Company Three-Arm Beam Balance Scale Made In USA
Vintage W. M. Welch Scientific Company Three-Arm Beam Balance Scale Made In USA

$18.72

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Vintage W. M. Welch Scientific Co. Stainless Steel Scale Patent No. 1872465
Vintage W. M. Welch Scientific Co. Stainless Steel Scale Patent No. 1872465

$60.00

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Vintage Sargent Welch Scientific Human Ear & Inner Ear Hand Painted Model
Vintage Sargent Welch Scientific Human Ear & Inner Ear Hand Painted Model

$125.00

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VTG Welch Scientific Company Medical Capillary Glass Tubes Apparatus V4947
VTG Welch Scientific Company Medical Capillary Glass Tubes Apparatus V4947

$30.00

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Vtg Welch Scientific Co Triple Beam Slide Weights Balance Scale Missing 1 Weight
Vtg Welch Scientific Co Triple Beam Slide Weights Balance Scale Missing 1 Weight

$25.00

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c. 1960s Welch Demonstration Micrometer
c. 1960s Welch Demonstration Micrometer

$1425.00

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Vintage 1973 Sargent Welch Scientific Company Metric System Wall Chart +39 Print
Vintage 1973 Sargent Welch Scientific Company Metric System Wall Chart +39 Print

$50.00

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Vintage W.M. Welch Scientific Co. Chicago IL brass measuring cup w/ handle mike
Vintage W.M. Welch Scientific Co. Chicago IL brass measuring cup w/ handle mike

$14.99

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Sargent-Welch Scientific Company Precision Stroboscope Cat No. 2153G With Bulb
Sargent-Welch Scientific Company Precision Stroboscope Cat No. 2153G With Bulb

$47.13

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Vintage. W.M. Welch Scientific Co 1" Micrometer Machinist Tool. Working. VGC
Vintage. W.M. Welch Scientific Co 1" Micrometer Machinist Tool. Working. VGC

$27.50

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Vintage Welch Scientific Company Galvanometer Gauge 2732
Vintage Welch Scientific Company Galvanometer Gauge 2732

$29.99

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Vintage W.M. Welch Scientific Company Equipment D.C. MILLIAMPERES METER #2 AS-IS
Vintage W.M. Welch Scientific Company Equipment D.C. MILLIAMPERES METER #2 AS-IS

$29.99

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VINTAGE ANTIQUE WELCH CONTROL BOX SCIENTIFIC BAKELITE BLACK WELCH COMPANY
VINTAGE ANTIQUE WELCH CONTROL BOX SCIENTIFIC BAKELITE BLACK WELCH COMPANY

$59.99

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Vintage W.M. Welch Scientific Co. Chicago 250 Grams Spring Scale ( GG3A)
Vintage W.M. Welch Scientific Co. Chicago 250 Grams Spring Scale ( GG3A)

$19.99

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Welch Laboratory Apparatus 1959 Hardcover
Welch Laboratory Apparatus 1959 Hardcover

$29.99

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Vintage Hanging Weight Scale Welch Scientific Co. Chicago Ill 72 oz 2000 grams
Vintage Hanging Weight Scale Welch Scientific Co. Chicago Ill 72 oz 2000 grams

$10.19

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Vintage Welch Scientific Co. Stainless Gram Scale Patent No. 1872465 Complete
Vintage Welch Scientific Co. Stainless Gram Scale Patent No. 1872465 Complete

$65.00

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VINTAGE Sargent welch Scientific photo electric control # 2127. ✅TESTED
VINTAGE Sargent welch Scientific photo electric control # 2127. ✅TESTED

$99.50

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Welch Scientific Co. 500 Grams 18 Ounces Hanging Spring Weight Scale USA W/ Box
Welch Scientific Co. 500 Grams 18 Ounces Hanging Spring Weight Scale USA W/ Box

$19.97

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Vintage W.M. Welch Scientific Comp. #3013 Meter D.C. Volts
Vintage W.M. Welch Scientific Comp. #3013 Meter D.C. Volts

$32.99

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Vintage W.M. Welch Scientific Co. Pocket 6 Inch Slide Rule Chicago Illinois Nice
Vintage W.M. Welch Scientific Co. Pocket 6 Inch Slide Rule Chicago Illinois Nice

$12.00

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Ultra Glow Ultra Violet Light W M Welch Mfg Co Vintage
Ultra Glow Ultra Violet Light W M Welch Mfg Co Vintage

$122.51

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Vintage W.M. Welch Scientific Co. Compass
Vintage W.M. Welch Scientific Co. Compass

$7.95

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Sargent-Welch Scientific 3346B Ripple Tank Oscillator/Generator Used Surplus
Sargent-Welch Scientific 3346B Ripple Tank Oscillator/Generator Used Surplus

$93.37

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Vintage Welch Scientific 8 pc Mitosis Teaching Set Very Good Condition Biology
Vintage Welch Scientific 8 pc Mitosis Teaching Set Very Good Condition Biology

$122.49

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SARGENT WELSH SCIENTIFIC DC VOLTMETER (Electric C)
SARGENT WELSH SCIENTIFIC DC VOLTMETER (Electric C)

$8.00

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W. M. WELCH SCIENTIFIC COMPANY TOOL MAY HAVE HELPED WIN WW-II A WHAT IS IT ?
W. M. WELCH SCIENTIFIC COMPANY TOOL MAY HAVE HELPED WIN WW-II A WHAT IS IT ?

$6.00

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W.M. Welch Scientific Company Galvanometer Gauge Cat. 2732A Antique Untested
W.M. Welch Scientific Company Galvanometer Gauge Cat. 2732A Antique Untested

$29.99

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2 Sargent-Welch Scientific AC DC Power Supply’s S-30972-50
2 Sargent-Welch Scientific AC DC Power Supply’s S-30972-50

$180.00

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Vintage Test Equipment Resistance Box WM Welch Scientific Co Chicago
Vintage Test Equipment Resistance Box WM Welch Scientific Co Chicago

$15.99

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Vintage W. M. Welch Scientific Metal Scale
Vintage W. M. Welch Scientific Metal Scale

$70.00

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The Welch Scientific Company Galvanometer Gauge 2732
The Welch Scientific Company Galvanometer Gauge 2732

$55.00

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Sargent-Welch wls2648-50 Scientific Digital Balance Scale
Sargent-Welch wls2648-50 Scientific Digital Balance Scale

$39.99

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Vintage W.M Welch Scientific Company D.C. Volts Gauge 3031E Tested Working
Vintage W.M Welch Scientific Company D.C. Volts Gauge 3031E Tested Working

$29.99

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Welch Copper Steam Generator Science Boiler Welch Scientific Company Chicago
Welch Copper Steam Generator Science Boiler Welch Scientific Company Chicago

$59.99

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Vintage W.M. Welch Scientific Company Equipment D.C. MILLIAMPERES METER #1 AS-IS
Vintage W.M. Welch Scientific Company Equipment D.C. MILLIAMPERES METER #1 AS-IS

$29.99

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Sargent Welch Scientific Sarvac 8804 Vacuum Pump
Sargent Welch Scientific Sarvac 8804 Vacuum Pump

$139.99

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Welch Scientific Decade Resistor Box 10, 100, 1000 Ohm, Vintage
Welch Scientific Decade Resistor Box 10, 100, 1000 Ohm, Vintage

$69.99

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Vintage Workbench Laboratory DC Volt Meter Gauge WM Welch Scientific
Vintage Workbench Laboratory DC Volt Meter Gauge WM Welch Scientific

$34.00

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Interesting Rare Antique Grain Flow Scope Sargent-Welch Scientific Co.15" height
Interesting Rare Antique Grain Flow Scope Sargent-Welch Scientific Co.15" height

$225.00

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