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Botany Microscope Slides (B)

$ 39.6 $ 23.76

Vintage Antique Ceramic 6 Wire Porcelain Knife Switch Frankenstien Steampunk

$ 44 $ 26.4

1937 Weston Electrical Instrument AC Voltmeter Model 45 Rectifier Type, MIT Uni

$ 198.87 $ 119.32

Antique S. Maw & Son London Pill Counter Wood Brass

$ 21.99 $ 13.19

Antique Westinghouse Electrical Knife Switch 4 Pole Throw Copper Frankenstein

$ 166.32 $ 99.79

Antique Desktop Thermometer Ship's Anchor Crescentart Novelties Navy Theme

$ 26.4 $ 15.83

Antique Babcock Official Tester Centrifuge Cream Milk Separator Dairy with Glass

$ 440 $ 264

ANTIQUE WESTON MILLIAMMETER MODEL 267 PRIMITIVE SHOP BUILT DC MOTOR TESTER

$ 34.32 $ 20.59

ANTIQUE RARE HYDRAULIC PRESS PUMP 16´´ PARIS FRANCE DUCRETET MODEL DEMONSTRATION

$ 703.12 $ 421.87

ANTIQUE 1909 THOMSON INDICATING WATT METER IN ORIGINAL BOX BY GENERAL ELECTRIC

$ 110 $ 66

Vintage Antique Ceramic 6 Wire Porcelain Knife Switch Frankenstien Steampunk

$ 44 $ 26.4

Rare Amber B D Becton Dickinson & Co Asepto Syringe w Box Rutherford New Jersey

$ 87.99 $ 52.79

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

$ 242 $ 145.19

WESTERN ELECTRO-MECHANICAL OAKLAND CALIF Old AMPERES Gauge Meter Prop JCP&L NJ

$ 67.76 $ 40.65

hand blown vintage SACCHAROMETER 60 degrees antique

$ 24.59 $ 14.75

1890 Gurley Surveying Burt Solar Transit w/box missing Burt attachment

$ 1408 $ 844.8

1923 Gurley Surveying Smith Solar Transit w/box missing Smith attachment

$ 968 $ 580.79

= Antique Dated 1675 RARE Brass Sundial Old English Transience of Life Quote

$ 1474 $ 884.4

c1899 Elbridge Electrical MFG CO Model Dynamo "L" 75 watts

$ 1468.72 $ 881.23

ANTIQUE VINTAGE MEDICAL GLASS THERMOMETER & CASE E. KESSLING BROOKLYN NY 1900

$ 8.79 $ 5.27

1870s Bliss Nautical/Surveying Transit Inst. Measuring Correct Time Chronometer

$ 792 $ 475.2

Direct Reading Ohmmeter for "Pole" Wires - Sandwich Pole-Changer Co. of Illinois

$ 43.99 $ 26.39

= Antique 1840-41 X-RARE American Cast Iron Sundial SHELDON MOORE KENSINGTON, CT

$ 1100 $ 660

Tiny Uranium-Glass Geissler Tube

$ 49.28 $ 29.56

ANTIQUE STICK BAROMETER ESTATE FIND 37" LONG

$ 219.99 $ 131.99

Antique Gauge Galvanometer - Central Scientific Steampunk ART

$ 22 $ 13.2

Assorted Draughting Sets

$ 7.92 $ 4.75

Antique Knife Switch Copper Black Bakelite Restoration Project Electric Part

$ 21.12 $ 12.67

1870 James Reed & Co. Verner Surveying Compass

$ 352 $ 211.2

vintage weston galvanometer

$ 8.8 $ 5.28

= Antique1800's Postal Scale Bronze & Hand Painted Enamel Seascapes Howell James

$ 488.88 $ 293.33

Rare Vtg Antique Bakelite TSA-10 Towaco Electronics Telegraph Signal Analyzer

$ 131.99 $ 79.19

Early Antique Brass Trippensee Planetarium, Orrery U.S Pat March 10, 1908

$ 2547.6 $ 1528.56

Antique Metric Metal Works Gas Meter 1890s Erie PA

$ 110.87 $ 66.52

1895 Queen and Co. Surveying Transit

$ 286 $ 171.6

ANTIQUE ENGLISH I. BLATT STICK BAROMETER

$ 242 $ 145.19

Wilde's Dynamo-Electric Machine Invention 1915 Ad Trade Card

$ 7.42 $ 4.45

Antique Copper Steam Sterilizer Glass Petri Dish Specimen Container Science Lab

$ 175.12 $ 105.07

VINTAGE BROWN ELECTRIC PYROMETER 5” Metal Company Name Plaque

$ 1.32 $ 0.79

KENOTRON large bulb type VACUUM TUBE (box says half wave rectifier)

$ 132 $ 79.2

Vintage Antique Weston D.C. Milliammeter Model 1 with Box and Key Voltmeter

$ 43.99 $ 26.39

rare 1920-30s Radiator Coolidge X-ray Tube 85055 GE general electric 30 MA

$ 352 $ 211.2

Standard Cell Voltage references

$ 8.8 $ 5.28

1900ca - Nautilus sectioned on display, by Koehler School Supplies (Leipzig)

$ 484 $ 290.39

Antique Trippensee Planetarium (orrery) in original wood box with cover----15830

$ 2860 $ 1716

ANTIQUE Rare 189O's Bristol’s Recording Voltmeter Brass

$ 329.95 $ 197.97

Antique Spencer Microscope Light Cenco Central Scientific Co.

$ 43.12 $ 25.87

Antique DIM-A-LITE Lamp Dimmer Light Bulb Socket Philadelphia. Pat 11-24-1908.

$ 16.72 $ 10.03

Antique 1900’s Thomson Alternating Ammeter, Type P - by General Electric Co.

$ 66 $ 39.6

1928 Berger Mining Surveying Transit w/Side Scope and Counterweight

$ 1452 $ 871.2

Kebby Industries D-20, 20mm Vial Decapper Pliers

$ 22 $ 13.2

Thomas Edison's Edison System Electric Ampere Meter c. 1890 Patented Antique

$ 3476 $ 2085.6

Original Antique Trippensee Planetarium, Orrery, Working circa 1915

$ 2199.99 $ 1319.99

Antique Vintage Hand Crank Dairy Milk Separator Centrifuge Spins Freely

$ 66 $ 39.6

Rare Antique BAUSCH and LOMB Optical Co MICROSCOPE BRASS w/ Wooden Case

$ 831.6 $ 498.96

Antique SPST One Pole Porcelain Electric Knife Blade Switch Paulding Sreampunk

$ 16.67 $ 10

Vintage Rare Hines & Robertson Steam Engine Indicator w/ Wooden Case

$ 198 $ 118.8

Antique Trumbull Copper Knife Switch Original Panel Box Steampunk Frankenstein

$ 154 $ 92.4

Antique Industrial Knife Switch Machine Control Steampunk Frankenstein Trumbull

$ 132 $ 79.2

Antique Chandelier Thermometer By Taylor Bros. C 1887

$ 167.2 $ 100.32

Gurley Surveying Solar Compass w/Amazing WY History W.O. Owen GLO, box, tripod

$ 13200 $ 7920

Vintage Double Throw Porcelain 15A 125V Electric Knife Blade Switch C.E.M. Co

$ 23.76 $ 14.25

Antique 1909 Thomson Alternating Ammeter, Type P - by General Electric Co.

$ 60.72 $ 36.43

Antique Wooden Victorian Zograscope Adjustable Magnifying Mirror

$ 571.99 $ 343.19

Antique Trippensee Planetarium (orrery)

$ 3960 $ 2376

Fischer High Frequency Milliammeter Antique Meter Steampunk Cast Iron Brass

$ 39.16 $ 23.49

Elliott Brothers Speed Indicator No. 19111 London Ltd- Many Applications

$ 69.52 $ 41.71

Antique LEVITON One Pole Porcelain Electric Knife Blade Switch Sreampunk

$ 16.28 $ 9.77

Old Large Industrial Three Way Knife Switch Frankenstein Type With Slate Base

$ 87.99 $ 52.79

Vintage Weston Steampunk Style Volt Meter D.C. Untested 1800s Damaged

$ 52.79 $ 31.67

Syphon Barometer Atmospheric Pressure Gauge 1915 Ad Trade Card

$ 5.71 $ 3.42

Early Spectroscope Apparatus Machine 90+ Y/O Ad Trade Card

$ 6.28 $ 3.76

Report Commissioner of Patents ART & MANUFACTURES for 1856 vol 3, ILLUSTRATIONS

$ 471.23 $ 282.73

Report Commissioner of Patents ART & MANUFACTURES for 1858 vol 3, ILLUSTRATIONS

$ 456.57 $ 273.94

Antique VOLTAGE METER

$ 51.04 $ 30.62

Antique SPDT Porcelain Electric Knife Blade Switch Sreampunk

$ 16.67 $ 10

Antique Victorian Harrison Brass Sovereign Scales Birmingham England Original

$ 43.12 $ 25.87

Antique Jefferson Automobile Induction Coil Spark Gap Telegraph

$ 26.4 $ 15.83

Rare 1865 A. Tiensch Surveying Transit All Brass A Very Rare Piece Of History

$ 1755.6 $ 1053.35

= Antique 18th c. Calibrator Compass Wrought Iron Tool for Science or Masonry

$ 74.8 $ 44.88

Antique EDISON MIMEOGRAPH No. 1 Solid Dovetailed Case

$ 66 $ 39.6

Antique Weston Ammeter Electrical Instrument Co Cast Iron 100 Amp Meter Gauge

$ 110 $ 66

ANTIQUE THOMSON DC WATTHOUR METER BRASS BRONZE ELECTRICAL POWER KWH WATTMETER

$ 2260.47 $ 1356.28

Vintage 1945 WWII Wheelco Co. Cased Potentiometer Scientific Instrument Meter

$ 175.99 $ 105.59

ANTIQUE VICTORIAN DECORATIVE BRASS & VELVET DESK THERMOMETER FAHRENHEIT REAUMUR

$ 65.99 $ 39.59

Science Instruments 7 piece Lot Antique

$ 10.02 $ 6.01

Antique Victorian Sikes Hydrometer by Buss Hatyon Garden in Box with Weights

$ 59.84 $ 35.9

WESTINGHOUSE A.C. VOLTMETER ~ Patented Dec 25th 1896 ~ Antique Electrical LARGE

$ 263.12 $ 157.87

Antique Ramsden Style Electrostatic Generator 19th c.

$ 1320 $ 792

Report Commissioner of Patents ART & MANUFACTURES for 1856 vol III ILLUSTRATIONS

$ 240.53 $ 144.31

Dupont Meter Tester Meta Box Electrodes Hard Leather Case #3442 Electronics

$ 37.39 $ 22.43

✅ J.H. STEWARD “THE STEWARD” BRASS ANTIQUE RANGE FINDER TELEMETER EARLY SURVEYOR

$ 349.44 $ 209.66

Model 280 Industrial Antique Weston Electrical Instruments Volt Meter STEAMPUNK

$ 30.75 $ 18.45

Antique Peebles & Co Ld Edinburgh Brass Gauge in Case

$ 83.6 $ 50.16

Original Antique Travelling Apothecary Chemist Balance Scale & Weights W&T AVERY

$ 48.4 $ 29.04

Large Antique Industrial Knife Switch 50lbs Electric Railroad Mining STEAM PUNK

$ 132 $ 79.2

antique vintage General Electric polyphase whatthour electric meter type D-14

$ 87.12 $ 52.27

✅ BARTELEMY PONTHUS & THERODDE NICKEL ANTIQUE THEODOLITE SURVEYORS TRANSIT SCOPE

$ 533.36 $ 320.02

Antique OTTO FLEMMING MAKER PHILA. METER Mahogany Cased OUTSTANDING INSIDE & OUT

$ 198 $ 118.8

Vintage Stanley number 3308 surveyor tripod 50" legs. Looks Complete?

$ 57.2 $ 34.32