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Antique Signed German Diptych Portable Sundial c.1830.

$ 308 $ 184.8

Vintage Wilesco Steam Boiler & Engine Toy Model made in Germany

$ 66 $ 39.6

Antique WILLIAMS BROWN & EARLE, PHILA. Standard Boiler Smoke Tester

$ 61.59 $ 36.95

10" Competition Electric Bell Nickle Plated

$ 87.12 $ 52.27

Fantastic Antique c1900 Brass W & L.E Gurley Surveyor Transit Instrument Compass

$ 836 $ 501.6

Vintage Steam Engine, Boiler, and Burner in storage case.

$ 198 $ 118.8

Cased Pocket Coin Scales

$ 5.28 $ 3.16

Antique London 1709 Brass Mother of Pearl Fahrenheit/Reaumur Desk Thermometer

$ 162.8 $ 97.68

Antique L. E. Knott Apparatus Company Boston Scientific Instrument CAST IRON

$ 66 $ 39.6

Thomas Edison's Edison System Ampere Meter c. 1890 Patented ANTIQUE Amp Meter

$ 3740 $ 2244

Beautiful Alda Drafting Set with Dotting Tool

$ 104.72 $ 62.83

Small 5 Bar Telephone Magneto. Front only Nickle Plated. Unmarked

$ 44.88 $ 26.92

VINTAGE WESTINGHOUSE 0-50 AMPERES Style 701313 METER IN BAKELITE CASE

$ 8.8 $ 5.28

MOVA Products Fahrenheit Desk Thermometer. Glass dome. Accurate readings.

$ 110 $ 66

Antique Babcock Milk Tester/Cream Separator

$ 220 $ 132

1878 Ashcroft Steam Engine Indicator "The Tabor" No. 7528

$ 123.2 $ 73.92

Small Self Contained Gaiffe Mercury Turbine Interrepter f/ X Ray Coil

$ 351.12 $ 210.67

Vtg Old Large Frankenstein Movie Set Copper Knife Switch SteamPunk Detroit

$ 114.39 $ 68.63

EXCEPTIONAL STEAMPUNK EARLY AMP METER

$ 44 $ 26.4

ANTIQUE 1815 FRENCH STANDING SUNDIAL SIGNED " V. KLEBER WATCHMAKER OF BESANÇON "

$ 1759.95 $ 1055.97

Antique Brass Cast Iron Scientific Instrument Spectrometer London 192 Spect

$ 1540 $ 924

VINTAGE 1970’s THICK GLASS CLOCHE DOME SCIENCE APOTHECARY 12 1/2” TALL 8 LBS

$ 154 $ 92.4

Antique 1936 Cat Pathology Microscope Slide Collection. Embryo Brain Kidney

$ 264 $ 158.4

Gerber GraphAnalogue

$ 83.6 $ 50.16

ANTIQUE HYDRAULIC PRESS DEMONSTRATION APPARATUS BY ES RITCHIE & SONS BOSTON 1866

$ 1584 $ 950.4

JOULES MECHANICAL EQUIVALENT of HEAT APPARATUS Calorimeter GAERTNER ANTIQUE

$ 308 $ 184.8

Antique U Type Manometer U-Tube Wood Mounted

$ 30.79 $ 18.47

19th Century Ross Mensuration Sphere, Geometrical Mass Volume Measure

$ 703.99 $ 422.39

1880 IMPORTANT ROBERT MUENCKE BERLIN ELECTROMAGNETIC STATIC ELECTRICITY DEVICE

$ 440 $ 264

Wagner Electric Mfg Co St. Louis MO D.C. Ammeter Vintage Electrical Instrument

$ 99.42 $ 59.65

Antique Electric Motor Works!

$ 154 $ 92.4

c1780 18th CENTURY WOOD ENCASED NAVIGATION COMPASS - No Maker - LAND & SEA

$ 402.6 $ 241.56

Antique STANSI Cast Iron Steam Engine Classroom Demonstrator 1920's-1950's

$ 308 $ 184.8

Antique BIPOLAR DIRECT CURRENT BATTERY FAN MOTOR

$ 1706.66 $ 1023.99

Vintage Antique 7" Industrial GENERAL ELECTRIC DC Ampere Meter 100 to 3,000 amp

$ 351.72 $ 211.03

Early Tape Measure

$ 4.4 $ 2.64

Weston Electrical Instrument Company Model 1 Voltmeter 2 Ranges Tested, Working

$ 880 $ 528

Vintage Glass Cloche Dome Bell Jar Science Apothecary Dome

$ 241.99 $ 145.19

Electroscope século XIX Newman London Electroscope. John Frederick Newman

$ 176 $ 105.6

Vintage Soil Testing Set - La Motte-Morgan - IOB - With Instructions

$ 8.79 $ 5.27

Antique Formaldehyde Gas Medical Generator

$ 396 $ 237.6

ANTIQUE GERMAN STAEDTLER 20551/R COMPASS LINED IN PAPER WOODEN BOX

$ 4.39 $ 2.63

[RARE] Antique Portuguese Handmade Diptych Dial, Sundial, Compass, Circa 1800s

$ 1121.94 $ 673.16

Antique English Fruitwood Diptych Dial,Sundial,Compass, Circa 1800s

$ 1122 $ 673.2

Antique 1700 Michael Butterfield France Octagonal Brass Pocket Sundial & Compass

$ 1231.99 $ 739.19

RARE 1800'S ANTIQUE TABLE ACOUSTIC ERNST CHLADNI INSTRUMENT SCIENTIFIC KOENIG

$ 2199.12 $ 1319.47

Two Steel Pairs Of Dividers early compass drawing instrument From The 18th Centu

$ 528 $ 316.8

Antique Frank Adams 3-Wire Knife Disconnect Switch Slate Base Steampunk

$ 63.36 $ 38.01

Weston Ammeter Large Cast Iron Electrical 1890 Newark NJ Antique 8.5”

$ 131.99 $ 79.19

1880 Box Antique Thomas A. Edison's No.1 Mimeograph A.B Dick Company Chicago

$ 121.95 $ 73.17

Weston Electrical Instrument Co. Voltmeter Antique Vintage

$ 21.69 $ 13.01

RARE 1922 HUMIDITY ITS EFFECT ON OUR HEALTH AND COMFORT BOOKLET BY PR JAMESON

$ 14.95 $ 8.97

Instrument of the Primum Mobile - Vintage Quality Solid Brass Model

$ 307.99 $ 184.79

Vintage Gurley Transit Scope Surveyor Wye Level - 630024

$ 154 $ 92.4

Vintage TMY twin cylindar steam engine Japan alchol minature model boat motor S1

$ 351.99 $ 211.19

Antique Eimer & Amend OSMOSCOPE Wooden Box Odor Smelling Detector Tool Lab

$ 43.99 $ 26.39

Vintage CELL TESTER Gauge Adjustable Tines Wood Handle 6V 12V Auto Farm Tool

$ 23.76 $ 14.25

!! LOWER PRICe VINTAGe TWIN EBULLIOMETER WINE LIQUID BOILING POINT METEr

$ 352 $ 211.2

ANTIQUE THE PERFECT MILK TEST WITH ORIGINAL BOX, STAND & PAPERWORK TATNALL MFG

$ 26.39 $ 15.83

Antique ON OFF Turn Electric Switch Nickel Cap White Porcelain Base 1920's

$ 21.99 $ 13.19

c. 1715 Antique French Nicolas Bion Compass Direction Sundial

$ 1100 $ 660

Jewell Electrical Instrument Co. Volt Meter Gauge Vintage 135 Steampunk Adjust 3

$ 35.2 $ 21.12

VINTAGE JEWELL VOLT METER 0-50 WINGED INSIGINA GAUGE MADE IN USA

$ 7.03 $ 4.21

Antique Sundh Electric Company AC Voltmeter Gauge Newark NJ USA Untested

$ 110 $ 66

Rare antique turkish blood letting bowl

$ 140.8 $ 84.48

Macaloster Scientific Michelson Interferometer Vintage

$ 26.4 $ 15.83

Antique Original GE Open Face Electric Motor 120V AC 1/6HP WORKS! - Gorgeous

$ 175.12 $ 105.07

19th Century Saccharimeter Polarimeter Scientific Instrument Fric Prague Rare

$ 1298 $ 778.8

1915 Leeds and Northrup Company Resistor Tester Decade Box 28069 Univ. of Nebras

$ 92.4 $ 55.44

Vintage Hoyt Meter DC Amperes Amp Gauge 2.5” Size - Super Nice

$ 19.36 $ 11.61

Vintage Short & Mason Barometer London

$ 175.99 $ 105.59

Georgian 1800's Mahogany-Veneered 5 Dial Banjo Barometer Swan Neck Pediment

$ 215.59 $ 129.35

Vintage Rabone & Sons Machinist Spirit Level Made in England Fitting Wooden Case

$ 175.99 $ 105.59

Antique WESTON ELECTRICAL INSTRUMENT Co Large Volts Gauge NEWARK NJ USA

$ 198 $ 118.8

Patent 1896 EDISON MIMEOGRAPH No. 12 Finger Jointed Case w Many Items Inside

$ 176 $ 105.6

Iron Hand Crank Standard Tester Milk Dairy Cream Separator Centrifuge Farm Tool

$ 35.19 $ 21.11

Antique Adams Densimeter from Stowe & Woodward Co.

$ 56.27 $ 33.76

antique light bulb antique socket Edison bulb socket era antique shade

$ 87.99 $ 52.79

RARE Vintage Pyrex,8 3/4"High Glass Cloche Dome Bell Jar Apothecary 5 3/8" dia.

$ 110 $ 66

Antique B.E. Co. Electric Knife Switch Slate Base 35 Amp Steampunk Design

$ 74.8 $ 44.88

McIntosh Milliammeter Chicago Antique Amp Meter Steampunk - Tested AWA SSS# 257

$ 105.6 $ 63.35

Civil War Era Meteorology Storm Glass & Atmospheric Charles Martine Boston

$ 175.99 $ 105.59

RARE! 1920's ANTIQUE VINTAGE ENGELN ELECTRIC X-RAY MACHINE FILM LIGHT BOX

$ 330 $ 198

Vintage Antique Ceramic 6 Wire Porcelain Knife Switch Frankenstien Steampunk

$ 39.55 $ 23.73

VINTAGE 1890'S to 1908 estimate EXPERIMENTAL TUBE TRIODE UN-BASED DISPLAY TYPE

$ 255.2 $ 153.11

Vintage James G. Biddle Co USA Wood Cased Frahm System Frequency Indicator #1790

$ 396 $ 237.6

Vintage Brown Electric Pyrometer 0-3000 Degrees Fahrenheit

$ 43.99 $ 26.39

Mammalian Histology Microscope Slides (B)

$ 26.4 $ 15.83

Solid Brass Desktop Magnifying Glass Vintage Adjustable Stand Magnifier Gifts

$ 29.92 $ 17.95

Propper Oscillotonometer

$ 34.32 $ 20.59

Century Sundial Vtg Grow Old Along With Me The Best Is Yet Be Sun Dial

$ 61.6 $ 36.96

Antique Tin & Wood Heat Cold Thermometer Maximum Minimum Self Registering

$ 56.76 $ 34.05

Antique Automobile Induction Coil Spark Gap With Added Switch - Telegraph

$ 114.35 $ 68.61

Antique Barograph Meteorological Instrument Self Record Barometric Pressure

$ 220 $ 132

Antique Thomas A Edison Konowatt Motor 110V

$ 110 $ 66

Antique Brass Field Microscope French? w/ Partial Box

$ 61.59 $ 36.95

1940S SMITH CORONA ADDING MACHINE--PERFECT COSMETIC CONDITION

$ 132 $ 79.2

Vintage Antique Hand Crank Centrifuge Farmhouse Steampunk Dairy Scientific Brass

$ 84.43 $ 50.66

Solid Brass Antique British Military Prismatic Pocket Compass Marine Solid Gift

$ 25.08 $ 15.04

Antique Microscope (Insects/Bugs) Made In France

$ 30.79 $ 18.47