Shop

7 ft Demonstration Pickett Trainer Slide Rule Advertising Sign Display Teaching

$ 1056 $ 633.6

Horary Quadrant of Girolamo della Volpaia - Vintage Quality Solid Brass Model

$ 307.99 $ 184.79

Antique GE 1/30th HP Electric Motor

$ 113.52 $ 68.11

1900c Pair of Magdeburg Hemispheres by Otto Von Guericke

$ 220 $ 132

Antique WESTON ELECTRICAL INSTRUMENT Co Large Amps Gauge NEWARK NJ USA

$ 198 $ 118.8

Antique 1906 The Stonebridge Automatic Folding Lantern

$ 66 $ 39.6

1790-1820 Engraved Brass Astrolabe

$ 51.04 $ 30.62

Antique Glass Cloche Dome Bell Jar Science Curiosity Apothecary Dome

$ 198 $ 118.8

E O Richter & Co Pracision Drafting instruments with dotting pen antiques

$ 66 $ 39.6

ca 1910 electric relay switch antique cambridge botanical supply nice cond mass

$ 21.99 $ 13.19

Antique Saybolt Standard Universal Chromometer C.J. Tagliabue Mfg. Co.

$ 264 $ 158.4

Urbana Manufacturing Wasp Air Cooled 110v B-136 Electric Motor In Box work as is

$ 21.99 $ 13.19

Hoyt Vintage 0-30 Ampmeter in original box

$ 7.91 $ 4.74

ANTIQUE VINTAGE EDISON ERA CAST IRON TOY LABORATORY ELECTIC MOTOR GENERATOR

$ 44.88 $ 26.92

2 Antique Biddle Frahm System Frequency & Vibration Tachometer Gauges Great Pair

$ 131.95 $ 79.17

Antique Precision Drafting Toolset

$ 8.79 $ 5.27

Late 1800s French ALIDADE - Pocket Transit, Military & Maritime Use !

$ 39.55 $ 23.73

Blow Torch all Brass Seldom Seeen Rectangular Style w/ Flip Out Feet Unmarked

$ 87.12 $ 52.27

Vintage Jewel Electric Instrument Co Volt voltage Meter Pattern Number 135

$ 17.6 $ 10.56

Vintage Steampunk Allen Ammeter Volt-Meter Tester Gauges Automotive Industrial

$ 74.8 $ 44.88

Early 1900's WIMSHURST Electrostatic Machine - Cast iron - Glass

$ 263.12 $ 157.87

Vintage Rainforth’s STEREOSCOPIC SKIN CLINIC 1914 Original Box & 46 Slides

$ 263.99 $ 158.39

Antique L. E. Knott Apparatus Company Boston Scientific Instrument Spectacular

$ 101.2 $ 60.72

ANTIQUE VERY RARE SCHAEFFER BUDENBERG RAILROAD DYNAMOMETER CLOCKWORK RECORDING

$ 351.12 $ 210.67

CASE for a 1880 Edison A. B.Dick Co. Mimeograph No.1 wooden box only

$ 48.4 $ 29.04

Photograph Stereoview Mars Yerkes Observatory Astronomy Planet s and Star s

$ 15.84 $ 9.5

Model 281 Industrial Antique Weston Electrical Instruments Volt Meter Bakelite

$ 35.15 $ 21.09

Antique Electric Motor & Fan Catalog & AD Collection Dynamo AC DC Edison GE+MORE

$ 43.95 $ 26.37

Antique Westinghouse 100 Amp Amperes DC Lunchbox Meter – Steampunk - MUST SEE!

$ 70.4 $ 42.24

Antique Chauvin & Arnoux Style Volts Meter Made In France In Wood Box WW1 ERA

$ 439.99 $ 263.99

Baldwin Strain Indicator

$ 22 $ 13.2

1900s Austria Leopolder&Sohn Vienna Brass Glass Telegraph Galvanometer Compass

$ 219.99 $ 131.99

VINTAGE MEDICAL HAUSSER SCIENTIFIC COUNTING CHAMBER CAT. NO.100 BATCH #20 In Box

$ 8.8 $ 5.28

Rare 1890 CLINOGRAPH Folding Wood Ruler J HARRISON Patent - W.H. HARLING LONDON

$ 52.79 $ 31.67

Rare 1860 GLO (General Land Office) Wood Land Surveyor's Desk Historical Relic

$ 2112 $ 1267.2

Antique Edison Era Battery Replica

$ 86.68 $ 52

Lecture Barometer

$ 44.88 $ 26.92

1895 Henry Weinhagen Hyrometers,Thermometers MFG.,PICTURE GRAPHIC Letterhead!

$ 43.99 $ 26.39

Vintage Air Gas Valve Science Lab Industrial Medical Chemistry Steampunk

$ 17.59 $ 10.55

Mammalian Histology Microscope Slides (F)

$ 26.4 $ 15.83

Vintage Hamilton Gas Valve Science Lab Industrial Medical Chemistry Steampunk

$ 17.59 $ 10.55

Vintage 7 pc Mimeograph Tools - Gestetners Patent 1880s w/Wooden Box - Used

$ 43.99 $ 26.39

ANTIQUE Unihead Grinding Indexing Fixture Work Head Mill Grinder lathe tail tool

$ 35.2 $ 21.12

Schnapsprufer (German meter) EKU WWII

$ 30.8 $ 18.48

Niamid Pfizer Sundial Mood Brightner

$ 13.19 $ 7.91

Rare Vintage fisheries Brass Cased Thermometer MFG N.Y.C.

$ 104.72 $ 62.83

Antique U.S. Military Bristol Recording Voltmeter Model 516 in Wood Case

$ 30.8 $ 18.48

Antique Vintage Voltmeter - 1930´s

$ 25.52 $ 15.31

Vintage Weston Electrical Instrument Ampere DC 267 Phone Box Blk Ammeter Gauge

$ 48.39 $ 29.03

Patent 1922 UNIVERSAL Diamond H Switch White Porcelain Knob Unusual LOW MED FULL

$ 44 $ 26.4

ANTIQUE ARNOLD ELECTRIC CO. RACINE WISCONSIN MOTOR VIBRATOR MIXER WASHER BADGE

$ 7.04 $ 4.22

ANTIQUE "DAIRY THERMOMETER, FAHRENHEIT SCALE GERMANY

$ 8.79 $ 5.27

Vintage R.N DESTERRO LISBON VINTAGE SHIPS MARINE GIMBALED BRASS STICK BAROMETER

$ 99.88 $ 59.92

Antique Wood Cast Iron & Glass Welch Science Lab Vacuum Table

$ 198 $ 118.8

Vintage Sargent Welch Analog DC Volt Meter Used

$ 5.27 $ 3.16

Antique Dictionary Print Thermometer 1890 Genuine Print Cool And Rare

$ 21.99 $ 13.19

Antique German compass Pessler and Sohn. Freiberg. Sa. in a wooden box (s3390)

$ 440 $ 264

Antique Scientific Decade Resistor Resistance Box Steampunk Brass

$ 43.95 $ 26.37

McGill Electrical Supplies Catalog 1920 Electro Portable Lamp Guards Light Bulb

$ 24.64 $ 14.78

Antique Thwing Potentiometer Checking and Calibrating Set Patented 1933

$ 255.2 $ 153.11

Collection of Microscope Slides

$ 13.2 $ 7.91

Patent 1892 WILSON'S EAR DRUMS Co. Box Only-Early Medical Advertising Louisville

$ 44 $ 26.4

The Saybolt Standard Universal Viscosimeter Antique C.1915

$ 4399.12 $ 2639.47

Vintage OLYMPIC SHIPMAN SURGICAL CO. Rustless Steel Hypodermic 1 Doz Needles 2"

$ 29.03 $ 17.41

Art Nouveau Antique Fire Alarm Supervisory Rare Board Bronze Panel

$ 403.92 $ 242.35

Antique Distillers whiskey alcohol hydrometer Spirits Scale Glass French Baume

$ 16.71 $ 10.02

Antique 1800's Brass French Drum Microscope with Box

$ 145.19 $ 87.11

RARE HERTEL & REUSS SOHNGES OPTIK GERMANY ALDON OPERN OPERA GLASSES BINOCULARS

$ 105.55 $ 63.33

Antique 1917 Bakelite Weston 280 Voltmeter Volt Meter

$ 44 $ 26.4

Vintage Green Glass Obelisk Thermometer -thermo broken - image of woman inside

$ 57.2 $ 34.32

Scientific Glass Laboratory Apparatus Instruments

$ 792 $ 475.2

Vintage Weston Electrical Instrument Ampere DC Model 267 Antique Ammeter Gauge

$ 27.71 $ 16.62

ANTIQUE GLASS TAYLOR FLOATING DAIRY THERMOMETER & ORIGINAL CARDBOARD TUBE

$ 22 $ 13.2

Antique Ritter MILLIAMP METER Excellent condition

$ 17.59 $ 10.55

VTG 1890's ANTIQUE KNOTT DYNAMO BI-POLAR ELECTRIC MOTOR BIPOLAR FAN EDISON ERA

$ 11 $ 6.6

ANTIQUE SOLID BRONZE HORSHOE & KEY WALL THERMOMETER - CIRCA 1870

$ 259.6 $ 155.76

ANTIQUE COPPER THERMOMETER ENGRAVED B.Wichek CR. L'ADIEU Soulacroix FRANCE 19 C.

$ 871.2 $ 522.72

Antique W. M. WELCH SCIENTIFIC CO Resistance Wood Spools Circa Early 1900's

$ 26.39 $ 15.83

1850 Tangentenbussole TANGENS needle GALVANOMETER COMPASS Bussole ☆☆☆

$ 1574.32 $ 944.59

Nautical Marine Industrial Barograph Mateorological Instrument Heritage Antiques

$ 220 $ 132

Rare Collectable BUTTERFIELD French 18 Century Horizontal Brass Sundial+Case

$ 4307.6 $ 2584.56

weston electrical instrument co model 45 USA

$ 18.18 $ 10.91

Antique 1919 Wood Eimer & Amend New York Sure Grip Shift Easy Tool

$ 35.2 $ 21.12

1970-1979 & 1776-1976 bicentennial US Coin proof sets

$ 110 $ 66

AMMETER 1920s in wooden box

$ 51.92 $ 31.15

^^ LEEDS & NORTHRUP 2285F REFLECTING GALVANOMETER (XN37)

$ 49.5 $ 29.7

Antique Wood Primitive Tube Tester Cream Dairy Separator Centrifuge With 7 Vials

$ 66 $ 39.6

VINTAGE OLD AUSTRIA WIEN LEOPOLDER & SOHN TELEGRAPHIE GALVANOMETER WITH BOX!!!

$ 105.6 $ 63.35

Vintage Rare Robertson Steam Engine Indicator w/ Case - Circa 1900

$ 242 $ 145.19

Collection of 5 Crassulaceae (Stonecrop) Family Pollen Microscope Slides

$ 26.4 $ 15.83

Microcotyle sp. from Gills of California Scorpionfish Microscope Slide

$ 4.4 $ 2.64

Dubee McInnes & Clyde Ltd., Depthometer no. 5755 tower in wooded box.

$ 175.95 $ 105.57

Weston D.C. Ammeter Model 45, U.S. NAVY Price Reduced

$ 66 $ 39.6

Dubee McInnes & Clyde Ltd., Depthometer no. 6647 tower

$ 87.95 $ 52.77

Electrostatic Generator Holtz Toepler Influence Machine Early Electricity X-ray

$ 3432 $ 2059.19

Antique Edison Era Battery Replica

$ 86.68 $ 52

Antique Telescope Brass Ocular Eyepiece RARE Great Shape

$ 105.59 $ 63.35

Vintage G.E. Radio GL-889RA Radio Transmitting Tube * Beautiful & Massive

$ 8.75 $ 5.25

1870's JH Bunnell & Co. W.U.Tel.Co.. Telegraph Key & Sounder BARCLAY BOX RELAY

$ 263.99 $ 158.39

Antique U Type Glass Tube Manometer in Fitted Wood Case

$ 24.64 $ 14.78