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Vintage Isaac. L. Lyons of New Orleans Baume Hydrometer. Antique.

Vintage Isaac. L. Lyons of New Orleans Baume Hydrometer. Antique.

$32.50$16.25

Delay Line Lexor Electronic instruments.

Delay Line Lexor Electronic instruments.

$12.38$6.19

Vintage Skilcraft Beginner's Physics Lab The World Of Physical Science. COMPLETE

Vintage Skilcraft Beginner's Physics Lab The World Of Physical Science. COMPLETE

$15.00$7.50

JOHN CASARTELLI LTD TEXTILE SCALES PORTABLE CLOTH BALANCE WEIGHING MANCHESTER

JOHN CASARTELLI LTD TEXTILE SCALES PORTABLE CLOTH BALANCE WEIGHING MANCHESTER

$120.85$60.42

Vintage California State Electronics Association Metal Enamel Pin Pinback New

Vintage California State Electronics Association Metal Enamel Pin Pinback New

$10.99$5.50

Billeau Ear Loop Curette Surgical Dermatology Stainless Steel Medical Exam Pen

Billeau Ear Loop Curette Surgical Dermatology Stainless Steel Medical Exam Pen

$26.00$13.00

Sumlock comptometer Anita Mk8 Operating Instructions manual 59 pages

Sumlock comptometer Anita Mk8 Operating Instructions manual 59 pages

$19.95$9.97

Griffin & George Centisecond Timer Triton Electronics Parts or Repair No Returns

Griffin & George Centisecond Timer Triton Electronics Parts or Repair No Returns

$47.99$24.00

Optical Pins • Length 75mm • Box Of 1,000 • Philip Harris

Optical Pins • Length 75mm • Box Of 1,000 • Philip Harris

$30.68$15.34

VINTAGE 1920s KNOTT DECADE RESISTANCE STANDARD BOX Restored/Tested

VINTAGE 1920s KNOTT DECADE RESISTANCE STANDARD BOX Restored/Tested

$45.77$22.89

EAGLEMOSS Collections Precision Orrery / Mechanical Solar System | INCOMPLETE

EAGLEMOSS Collections Precision Orrery / Mechanical Solar System | INCOMPLETE

$450.00$225.00

Original Vintage Type P Galvanometer Leeds & Northrup

Original Vintage Type P Galvanometer Leeds & Northrup

$99.99$49.99

Vintage Glass Baume for heavy liquids, temp. 60 degrees F

Vintage Glass Baume for heavy liquids, temp. 60 degrees F

$19.88$9.94

Vintage Industrial Standard Electric Time Co. Timer - 1/100's of a minute SM-60

Vintage Industrial Standard Electric Time Co. Timer - 1/100's of a minute SM-60

$75.96$37.98

Rare Vintage 1973 Sinclair Cambridge Type 2 Calculator spare or repairs

Rare Vintage 1973 Sinclair Cambridge Type 2 Calculator spare or repairs

$45.85$22.93

Fischertecknik Em3 Experiment Set 2302321 Relaus Changeover Switch Bimetal Strip

Fischertecknik Em3 Experiment Set 2302321 Relaus Changeover Switch Bimetal Strip

$33.99$17.00

Early vintage ammeter made by Cenco Central Scientific Co.

Early vintage ammeter made by Cenco Central Scientific Co.

$204.00$102.00

CENCO FUNNEL TUBE THISTLE TOP CHEMISTRY LAB GLASS CENTRAL SCIENTIFIC COMPANY NEW

CENCO FUNNEL TUBE THISTLE TOP CHEMISTRY LAB GLASS CENTRAL SCIENTIFIC COMPANY NEW

$11.79$5.89

Vintage Thomas Ashworth The Speedy Moisture Tester PRICED REDUCED

Vintage Thomas Ashworth The Speedy Moisture Tester PRICED REDUCED

$100.00$50.00

Build a Precision Solar System Eaglemoss Orrery Spare Parts Issue 20 Gear & Arm

Build a Precision Solar System Eaglemoss Orrery Spare Parts Issue 20 Gear & Arm

$11.14$5.57

Hamilton Bell Co. Vari-Case dissection kit, with 6 tools

Hamilton Bell Co. Vari-Case dissection kit, with 6 tools

$7.59$3.79

Chicago Apparatus Co. Porcelain Ceramic Frame Socket Holder Lab Gear 4 1/4 Inch

Chicago Apparatus Co. Porcelain Ceramic Frame Socket Holder Lab Gear 4 1/4 Inch

$29.99$14.99

W.S.Tyler - No. 270 - Standard Testing Sieve - 0.053 mm - 0.0021 Inches

W.S.Tyler - No. 270 - Standard Testing Sieve - 0.053 mm - 0.0021 Inches

$39.99$20.00

1960s dissection kit Adams/Clay 13 pc. including hard case, Italy, Germany

1960s dissection kit Adams/Clay 13 pc. including hard case, Italy, Germany

$15.99$8.00

Vintage Lion Menucator No 2 Printing Case with blotter ideal display prop

Vintage Lion Menucator No 2 Printing Case with blotter ideal display prop

$68.17$34.09

VINTAGE ELECTROSTATIC CONDUCTOR - WBN GLASGOW -CURIO - DESKTOP DECOR - QUIRKY -

VINTAGE ELECTROSTATIC CONDUCTOR - WBN GLASGOW -CURIO - DESKTOP DECOR - QUIRKY -

$43.38$21.69

Vintage Made in Germany Opisomter Map Measurer

Vintage Made in Germany Opisomter Map Measurer

$17.00$8.50

Vintage SANGAMO WESTON dosimeter / radiation meter

Vintage SANGAMO WESTON dosimeter / radiation meter

$43.38$21.69

Cameron Heart-O-Meter, Chart, Medical Vintage 1920s Art Deco

Cameron Heart-O-Meter, Chart, Medical Vintage 1920s Art Deco

$150.00$75.00

Vintage Weston 742 VM Volts AC, Parts Only, likely new/unused w/box

Vintage Weston 742 VM Volts AC, Parts Only, likely new/unused w/box

$19.99$9.99

Vintage Beck Lee Corp Cardi-all Portable EKG Machine Beck-Lee

Vintage Beck Lee Corp Cardi-all Portable EKG Machine Beck-Lee

$87.72$43.86

Vintage Precision Air Service Manufacturing Psychrometer Pittsburg PA.

Vintage Precision Air Service Manufacturing Psychrometer Pittsburg PA.

$10.00$5.00

VINTAGE BRASS PRESSURE GAUGE BOURDON 4 INCH UPCYCLE STEAMPUNK

VINTAGE BRASS PRESSURE GAUGE BOURDON 4 INCH UPCYCLE STEAMPUNK

$16.05$8.03

Vintage Brigon Oil Combustion Test Kit Messkoffer smoke test kit

Vintage Brigon Oil Combustion Test Kit Messkoffer smoke test kit

$185.91$92.95

ANTIQUE HAND CRANK ELECTRIC SHOCK GENERATOR STEAM PUNK Missing Handle

ANTIQUE HAND CRANK ELECTRIC SHOCK GENERATOR STEAM PUNK Missing Handle

$84.99$42.49

Measuring device small pyrometer hand pyrometer ??

Measuring device small pyrometer hand pyrometer ??

$120.00$60.00

1975 Rockwell Electronic Calculators Owner's Manual Memory 24RD Foldout Booklet

1975 Rockwell Electronic Calculators Owner's Manual Memory 24RD Foldout Booklet

$2.25$1.13

2 - Ertco Hydrometers 11447 13952 Specific Gravity 60F/60F Boxes Short Vintage

2 - Ertco Hydrometers 11447 13952 Specific Gravity 60F/60F Boxes Short Vintage

$39.00$19.50

Rare Unusual Victorian Glassware Mysterious Passion Meter Whimsical

Rare Unusual Victorian Glassware Mysterious Passion Meter Whimsical

$241.70$120.85

‘Counts Meter’ - 350 Ohm, 1mA FsD, Moving Coil Meter,

‘Counts Meter’ - 350 Ohm, 1mA FsD, Moving Coil Meter,

$34.71$17.36

Vtg 1936 LaMotte Chemical Morgan Soil Testing Set In Wood Box w/Instructions Kit

Vtg 1936 LaMotte Chemical Morgan Soil Testing Set In Wood Box w/Instructions Kit

$109.99$54.99

VTG Raven Screen Corp Portable Projector Screen New York

VTG Raven Screen Corp Portable Projector Screen New York

$49.99$25.00

Fisher Scientific Model #11-595 combination thermometer & hydrometer

Fisher Scientific Model #11-595 combination thermometer & hydrometer

$37.00$18.50

1960s Thompson RETENTO-RULE, Rapid Peak Identification of Chlorinated Pesticides

1960s Thompson RETENTO-RULE, Rapid Peak Identification of Chlorinated Pesticides

$95.00$47.50

Vintage GE /General Electric AC Clamp Volt Ohm Amp Meter, Inc Case & Probes

Vintage GE /General Electric AC Clamp Volt Ohm Amp Meter, Inc Case & Probes

$43.23$21.61

Vintage Bakelite Crompton Galvanometer

Vintage Bakelite Crompton Galvanometer

$22.25$11.13

Vulcan Voltmeter Tudor

Vulcan Voltmeter Tudor

$24.54$12.27

Antique Scientific Biology School Dissection Tool Kit Leather Medical Science

Antique Scientific Biology School Dissection Tool Kit Leather Medical Science

$28.00$14.00

VINTAGE 1966 SIMPSON CASTING WEIGHT SLIDE CHART CALCULATOR Used

VINTAGE 1966 SIMPSON CASTING WEIGHT SLIDE CHART CALCULATOR Used

$29.97$14.98

Vintage para volt volt meter

Vintage para volt volt meter

$24.79$12.39

Model 280 triple-range Volt-Ammeter Instrument (H)

Model 280 triple-range Volt-Ammeter Instrument (H)

$37.19$18.59

Vintage Rare Collectible, Ruler Soviet Logarithmic Ruler Slide Rule USSR 1980

Vintage Rare Collectible, Ruler Soviet Logarithmic Ruler Slide Rule USSR 1980

$23.00$11.50

Vintage French BERNADOT Vinometer in Case Wine BAR MANCAVE

Vintage French BERNADOT Vinometer in Case Wine BAR MANCAVE

$34.71$17.36

Lot of 9 Vintage Central Scientific Co. Glass Fermentation Tubes Durham Small

Lot of 9 Vintage Central Scientific Co. Glass Fermentation Tubes Durham Small

$24.99$12.49

Vintage BAUME HYDROMETER Gravity 1/2 Scale Temp 60 Degree 0 - 20 / 6" Long

Vintage BAUME HYDROMETER Gravity 1/2 Scale Temp 60 Degree 0 - 20 / 6" Long

$16.09$8.04

Vintage Tomey Ideal Fahrenheit Temperature Gauge 9cm Dia Chrome Bezel Steampunk

Vintage Tomey Ideal Fahrenheit Temperature Gauge 9cm Dia Chrome Bezel Steampunk

$37.17$18.59

Vintage Weston Ohms, Parts Only, likely new/unused w/box

Vintage Weston Ohms, Parts Only, likely new/unused w/box

$17.99$8.99

Gauge Pressure Chrome Gauge Wika R1/4 ISO 16 Bar 250 PSI Physics Lab Apparatus

Gauge Pressure Chrome Gauge Wika R1/4 ISO 16 Bar 250 PSI Physics Lab Apparatus

$24.78$12.39

NASARA Kinesiology Tape Elastic Therapeutic Span Tex 2" X 20" sports 1Roll Beige

NASARA Kinesiology Tape Elastic Therapeutic Span Tex 2" X 20" sports 1Roll Beige

$8.99$4.50

W.S.Tyler - No. 20 - Standard Testing Sieve

W.S.Tyler - No. 20 - Standard Testing Sieve

$39.99$20.00

Vintage Yarway Impulse Steam Trap Paperweight Salesman’s Sample

Vintage Yarway Impulse Steam Trap Paperweight Salesman’s Sample

$29.00$14.50

Terminal Post Vintage Brass Screw Socket Vintage Lab Apparatus Irwin

Terminal Post Vintage Brass Screw Socket Vintage Lab Apparatus Irwin

$6.19$3.10

Vintage R B Stainless Steel Inside/Outside Caliper 8-1/2" Ruler Made in Germany

Vintage R B Stainless Steel Inside/Outside Caliper 8-1/2" Ruler Made in Germany

$10.00$5.00

Vintage Central Scientific Cenco Electrical Resistance Decade Box .1-100- Tested

Vintage Central Scientific Cenco Electrical Resistance Decade Box .1-100- Tested

$49.99$25.00

W.S.Tyler - No. 25 - Standard Testing Sieve - 710 Micrometer

W.S.Tyler - No. 25 - Standard Testing Sieve - 710 Micrometer

$39.99$20.00

W.S.Tyler - No. 100 - Standard Testing Sieve - 150 Micrometer

W.S.Tyler - No. 100 - Standard Testing Sieve - 150 Micrometer

$39.99$20.00

W.S.Tyler - No. 100 - Standard Testing Sieve - 150 Micrometer

W.S.Tyler - No. 100 - Standard Testing Sieve - 150 Micrometer

$39.99$20.00

Antique 2 Pole Knife Switch / Fuse Links Porcelain & Copper w. Bulbs Pair (2)

Antique 2 Pole Knife Switch / Fuse Links Porcelain & Copper w. Bulbs Pair (2)

$59.95$29.98

Build A Model Earth Moon and Sun Orbiter Tellurion Parts Set 82 Drum Section 2

Build A Model Earth Moon and Sun Orbiter Tellurion Parts Set 82 Drum Section 2

$21.06$10.53

Sikes Hydrometer Antique Brass from P Stevenson Edinburgh in Fitted Case READ!!!

Sikes Hydrometer Antique Brass from P Stevenson Edinburgh in Fitted Case READ!!!

$49.57$24.79

Build A Model Earth Moon and Sun Orbiter Tellurion Parts Set 81 Drum Section 1

Build A Model Earth Moon and Sun Orbiter Tellurion Parts Set 81 Drum Section 1

$18.58$9.29

PLA PORT OF LONDON AUTHORITY VINTAGE STRAIGHT EDGE RULE UNUSUAL ANTIQUE RULER 12

PLA PORT OF LONDON AUTHORITY VINTAGE STRAIGHT EDGE RULE UNUSUAL ANTIQUE RULER 12

$43.38$21.69

Antique Vintage Biological Wet Jar Specimen Lima Bean/Seed Life Cycle Fine cond.

Antique Vintage Biological Wet Jar Specimen Lima Bean/Seed Life Cycle Fine cond.

$320.00$160.00

Antique J W Towers & Co Mahogany Box Analytic Brass Weights Set

Antique J W Towers & Co Mahogany Box Analytic Brass Weights Set

$37.19$18.59

Complaints Deadline Customer Service Metal Sign Funny Business Office Wall

Complaints Deadline Customer Service Metal Sign Funny Business Office Wall

$29.87$14.94

Vintage Brass Bunsen Burner - Handmade ? - Unique

Vintage Brass Bunsen Burner - Handmade ? - Unique

$25.00$12.50

Vintage Detson 803PM Calculator Working with Original Case

Vintage Detson 803PM Calculator Working with Original Case

$4.96$2.48

Vintage Early Boxed 1908 Stanley No 1 Fuller Calculator (704)

Vintage Early Boxed 1908 Stanley No 1 Fuller Calculator (704)

$669.33$334.67

Arbor Scientific Galvanometer +/- 500 microamps

Arbor Scientific Galvanometer +/- 500 microamps

$14.96$7.48

BRASS NO 100 US STANDARD TESTING SIEVE .0059" OPENING WS Tyler Incorporated

BRASS NO 100 US STANDARD TESTING SIEVE .0059" OPENING WS Tyler Incorporated

$27.50$13.75

♕♕♕ RARE - BOXED ALPINA Calculator Serial 4228 Very Good Condition ♕♕♕

♕♕♕ RARE - BOXED ALPINA Calculator Serial 4228 Very Good Condition ♕♕♕

$1999.00$999.50

U.S.A. Standard Testing Sieve Gilson No. 50 300 Micrometer .041" 8" ID

U.S.A. Standard Testing Sieve Gilson No. 50 300 Micrometer .041" 8" ID

$24.99$12.49

Vintage Probator Tachometer Tool - Cased

Vintage Probator Tachometer Tool - Cased

$30.99$15.49

Cold War 2 Blu-ray

Cold War 2 Blu-ray

$40.53$20.27

Star Track - Race Track IV (4) Computer - Horse Racing Form Calculator - Working

Star Track - Race Track IV (4) Computer - Horse Racing Form Calculator - Working

$24.73$12.37

RARE VINTAGE PHOTOGRAPH ACTINOMETER/HYDROMETER WITH WOODEN ROUND CASE

RARE VINTAGE PHOTOGRAPH ACTINOMETER/HYDROMETER WITH WOODEN ROUND CASE

$19.95$9.97

VINTAGE 4 OZ. GRADUATED GLASS BEAKER Lab Glass Wheaton Glass NOS

VINTAGE 4 OZ. GRADUATED GLASS BEAKER Lab Glass Wheaton Glass NOS

$10.00$5.00

Vintage Sight Savers Metal Glasses Cleaner Display Dispenser advertising

Vintage Sight Savers Metal Glasses Cleaner Display Dispenser advertising

$39.95$19.98

Vintage Glass Brix Scale For Syrup Hydrometer Float & Jar CD153 Canfield Ohio

Vintage Glass Brix Scale For Syrup Hydrometer Float & Jar CD153 Canfield Ohio

$25.00$12.50

Vintage BAUME 6.5" HYDROMETER Gravity Scale HEAVY LIQUIDS Temp 60 Degree 15 - 30

Vintage BAUME 6.5" HYDROMETER Gravity Scale HEAVY LIQUIDS Temp 60 Degree 15 - 30

$16.09$8.04

1944 TERCOD CRUCIBLE Export Catalog Electro-Refractories & Alloys Corp Vintage

1944 TERCOD CRUCIBLE Export Catalog Electro-Refractories & Alloys Corp Vintage

$19.95$9.97

Vintage Mechanical Golfometer by New Haven made in USA Golf meter-untested

Vintage Mechanical Golfometer by New Haven made in USA Golf meter-untested

$10.00$5.00

Gemini GEM-STIM Transcutaneous Electrical Nerve Stimulator

Gemini GEM-STIM Transcutaneous Electrical Nerve Stimulator

$49.29$24.64

Vintage Glass Baume for light liquids, temp. 60 degrees F.

Vintage Glass Baume for light liquids, temp. 60 degrees F.

$19.88$9.94

Antique Vintage Biological Wet Jar Specimen Pine Life Cycle; Fine cond.

Antique Vintage Biological Wet Jar Specimen Pine Life Cycle; Fine cond.

$325.00$162.50

Vintage German Opisometer Measuring Wheel w/Storage Pouch & German Instructions

Vintage German Opisometer Measuring Wheel w/Storage Pouch & German Instructions

$34.00$17.00

RARE VINTAGE HYDROMETER PROOF TRALLE'S BEER WINE ALCOHOL SPIRT METER GLASS CASE

RARE VINTAGE HYDROMETER PROOF TRALLE'S BEER WINE ALCOHOL SPIRT METER GLASS CASE

$19.99$9.99

Vintage 125 mL Amber K Erlenmeyer Flask USA Vase Bottle Scientific Instrument

Vintage 125 mL Amber K Erlenmeyer Flask USA Vase Bottle Scientific Instrument

$15.00$7.50

Orrery Luxury Home Décor Solar System Model Perfect house warming Gift

Orrery Luxury Home Décor Solar System Model Perfect house warming Gift

$446.50$223.25

Antique Brass Orrery Solar System Working Model Sun Earth Moon Nautical Gift

Antique Brass Orrery Solar System Working Model Sun Earth Moon Nautical Gift

$883.50$441.75