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Vntage Copper Knife Switch 3-Pole on Slate Base ~ Steampunk Frankenstein~ PR767

$ 162.8 $ 97.68

Cenco Kern Full Circle Polarimeter in case Made in Holland Model 100.254

$ 263.99 $ 158.39

Antique Bakelite Knife Switch Electrical Lever Pull Throw Breaker - Frankenstein

$ 220 $ 132

Antique Patent 1908 WIRT DIM-A-LITE Lamp Dimmer Light Bulb Socket Philadelphia

$ 21.12 $ 12.67

1902 John Albert Cheape The Expodak Co Chart Celluloid Photo Light Chart T70

$ 25.96 $ 15.57

Edison BSCO Primary Battery Jar with Cover

$ 70.35 $ 42.21

Antique 1800's Victorian Cloche Dome Vacuum Apothecary Bell Jar with Brass Valve

$ 417.99 $ 250.79

✅ FRENCH OCULAR, EYEPIECE ORIGINAL ANTIQUE BRASS MONOCULAR TELESCOPE 1800’S

$ 275.88 $ 165.52

✅ TELESCOPE MONOCULAR SOLAR EYEPIECE OCULAR BLUE FILTER ELEMENT ANTIQUE BRASS

$ 110.35 $ 66.21

1911 Antique Edison Battery Storage Glazed Ceramic Lid BSCO 6-3/4"

$ 22 $ 13.2

ANTIQUE PAIR 1800s GLASS HYDROMETERS TAGLIABUE - MEASURE LIQUOR PROOF VGC RARE!

$ 48.88 $ 29.33

Antique A. E. Moeller Co. Hanging Thermometer

$ 44 $ 26.4

Antique/original Cotelco Elevator Annunciator

$ 330 $ 198

Voltmeter from The Weston Electrical Instrument Corporation.

$ 1496 $ 897.6

Vntage Large Heavy Copper (Frankenstein) Knife Switch on Slate Base ~Aisle N

$ 118.8 $ 71.28

✅ FRENCH LENS ORIGINAL ANTIQUE BRASS MONOCULAR TELESCOPE 1800’S

$ 239.09 $ 143.45

General Radio Precision Wavemeter Type 224 w Huge Variable Capacitor - Weston

$ 132 $ 79.2

Antique 50a 600v Knife Switch Electrical Lever Pull Throw Breaker - Frankenstein

$ 330 $ 198

British Military Ww2 Mark Iii Prismatic Nautical Brass Pocket Compass

$ 20.94 $ 12.56

Antique Handmade Diptych Dial, Sundial, Compass, Circa 1800s

$ 541.2 $ 324.72

Antique SIKES HYDROMETER in MAHOGANY BOX ~INCOMPLETE

$ 61.6 $ 36.96

VINTAGE L R TEEPLE ANTIQUE STREET LIGHT ETC OLD STEAMPUNK AUTOMATIC TIME SWITCH

$ 220 $ 132

Vintage Test Equipment Electrical Weston Volt-Ammeter # 280 w/Accessories

$ 21.96 $ 13.17

Set of Two Pyrex Large 5” Tall 4.5" Diam Glass Cloche Dome Bell Jar Apothecary

$ 78.32 $ 46.99

Patent 1919 DIM-A-LITE Brass Light Bulb Socket/Dimmer UNUSUAL LATE STYLE-WIRT Co

$ 57.2 $ 34.32

Antique Glass Bell Jar 21” tall with nob, 11” diameter, heavy

$ 220 $ 132

Antique Scientific Instrument In Wood Case

$ 440 $ 264

Peerless Switch Dial Testing Set by Thompson-Levering Old wood box / tool

$ 69.52 $ 41.71

Great Brass Antique Pocket Watch Pedometer Mechanical Step Counter Meyrowitz

$ 435.6 $ 261.36

Niamid, The Mood Brightener Sundial By Pfizer W/ Box & Instructions READ DESC.

$ 33.43 $ 20.05

VERY LIMITED EDITION Ca. 1890s OTTO SLIDE VALVE GAS ENGINE WORKS PA CATALOG

$ 13.2 $ 7.91

Antique Bausch & Lomb Optical Brass Mechanical Stage for Microscope W Case Clean

$ 242 $ 145.19

Antique Bausch & Lomb Optical Co Mechanical Stage for Microscope - Brass - Rare

$ 113.52 $ 68.11

Antique Trippensee Planetarium Skyscope

$ 17.16 $ 10.29

(2 Vintage) O’Haus scale calibration weights kits 1-50 GM & MG To 500 Wood Box

$ 69.52 $ 41.71

500g/bag Succinic Acid C4H6O4 CAS:110-15-6

$ 29.48 $ 17.68

Rare Jewell Elec Instrument Co. Volt Meter Gauge Vintage 135 Steampunk

$ 17.55 $ 10.53

ANTIQUE April 13, 1869 PATENT MODEL "BASE BURNING STOVE" by E. Smith w/ 2 TAGS

$ 1095.59 $ 657.35

Antique Vtg Sensory Electric Knife Switch White Porcelain Base Small 2.5"x1.5"

$ 21.95 $ 13.17

Antique bronze anemometer by H.Hughes , with original box,ser.number 599

$ 1584 $ 950.4

Antique Brass Paris Amp Amperes Metre Meter Gauge Scientific Electric /For Parts

$ 527.99 $ 316.79

Antique Weston's Direct Reading OHM-Meter Model 1 Weston Electrical Company USA

$ 131.99 $ 79.19

Antique American Consolidated Ashcroft Hancock Brass Industrial Thermometer NICE

$ 79.19 $ 47.51

Antique SIKES's HYDROMETER Serial # 19901 BUSS 33 Hatton Garden Mahogany Box

$ 118.8 $ 71.28

Antique Carl Zeiss Jena Microscope with case and accessories. Good condition.

$ 440 $ 264

Antique German Ohmmeter Excelsior-Werk Rudolf Kiesewetter Wooden Case - 1920's

$ 66 $ 39.6

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

$ 5.28 $ 3.16

Antique Brown Electric Industrial Meter External Binding Posts

$ 87.12 $ 52.27

ANTIQUE EBERBACH & SON'S CO SCIENTIFIC RESISTOR TESTING UNIT TONGUE & GROOVE BOX

$ 70.39 $ 42.23

Mt. Wilson, CAL CA Souvenir Pennant or Banner of the Observatory Circa 1955

$ 11.43 $ 6.85

Antique "HOT AIR FURNACE" PATENT MODEL Tho F HEMMICH Invt w/3 Tags/ Dec 21, 1875

$ 1122 $ 673.2

Edison BSCO Primary battery porcelain lid w/ handle orange New Jersey vintage

$ 37.83 $ 22.69

Antique Victorian Brass Scales Lot Of Two.

$ 60.72 $ 36.43

Antique Optical Piece Arthur H Thomas Co

$ 105.59 $ 63.35

c 1915 GURNEY ELEVATOR CO-Honesdale PA ELEVATOR #4086 Builder BRONZE TAG PLATE

$ 199.76 $ 119.85

Wilesco Steam boiler & engine toy model made in Germany vintage collectible

$ 158.39 $ 95.03

VINTAGE DIETZGEN INDUSTRIAL GRADE WOOD TRIPOD FOR SURVEYING

$ 175.99 $ 105.59

Vintage Crookes Maltese Cross Tube

$ 289.52 $ 173.71

vintage Textile Brass Thread Counter Magnifying Glass Loupe

$ 39.6 $ 23.76

Barometer Wehrle Pe

$ 64.28 $ 38.57

ANTIQUE CARTOGRAPHIC MEASURING INSTRUMENT WITH ORIGINAL BOX EX RARE

$ 263.91 $ 158.34

Antique reliable of Chicago #456 Porcelain Electric change over switch

$ 22 $ 13.2

RARE 1930 ANTIQUE ELECTRO MERCURY SWITCH RELAY ENGINEERING DEVICE 48V 70 AMP

$ 174.24 $ 104.54

Vintage Sargent-Welch Scientific Co. Micrometer with Instructions & Case

$ 25.47 $ 15.28

Vintage Military Kennedy Headphones 1500 Ohms As Is

$ 26.35 $ 15.81

THE BESSEMER GAS ENGINE CO - Grove City PA Builder PLATE/ TAG Hit+Miss Pat 1899

$ 95.92 $ 57.55

General Radio Co. - Radio Frequency Bridge Type 516-C Nice Test Equipment

$ 259.6 $ 155.76

ANTIQUE MEASURING INSTRUMENT E. KRAFT & SOHN

$ 105.51 $ 63.3

Antique DUMORE Motor used with sewing domestic sewing machine (X83D)s6

$ 51.92 $ 31.15

Weston electrical instrument 2388

$ 132 $ 79.2

Edison 35mm Projecting Kinetoscope, Hand Crank Circa 1897-1903 Cinema Projector

$ 29911.2 $ 17946.72

1890 H.J. Green Fortine Stick Barometer in nice shape

$ 968 $ 580.79

Vintage Antique Ceramic 4 Wire Porcelain Knife Switch Frankenstien Steampunk

$ 17.55 $ 10.53

W. & L.E. Gurley 1890-1910 One Pint Measure - Nickel-Plated Brass - Breweriana

$ 74.8 $ 44.88

Antique Tool Engineering Flessimetro M. Sacks Torino Pe

$ 230.91 $ 138.54

Model 281 Industrial Antique Weston Electrical Instruments Volt Meter Bakelite

$ 35.15 $ 21.09

Antique Weston Electric Co Model 271 Industrial Meter "Degrees Fahrenheit 0-800"

$ 131.99 $ 79.19

19thc THOMSON INDICATING WATT METER w Orig BOX by GENERAL ELECTRIC

$ 140.79 $ 84.47

SANWA U-600 Analog multimeter Made in Japan #O

$ 123.19 $ 73.91

Sensory Electric Knife Switch White Porcelain Base 1.5" x 4" Double THROW

$ 21.95 $ 13.17

Propper Oscillotonometer Pulsometer Blood Pressure Machine Leather Case Vintage

$ 83.6 $ 50.16

Vtg 1930s Cloche Bell Jar Pyrex 5.5" Tall 6" inside Diam.

$ 43.99 $ 26.39

19th Century Carbolic Acid Disinfectant Sterilizing Sprayer 11 1/2" Cap Missing

$ 387.2 $ 232.32

Antique 19th century folding pocket thermometer in mother of pearl

$ 220 $ 132

Vintage Propper Oscillotonometer Pulsometer Blood Pressure Machine Leather Case

$ 52.8 $ 31.67

Antique Sterling "Blood Heat"(?) Cylindrical Thermometer: HOT LOOKING!!!

$ 97.11 $ 58.27

Captain Jekyll 's PATENT VAPOUR BATH circa 1830 brass & copper medical apparatus

$ 1464.66 $ 878.79

Antique Copper Arnold Medical Steam Sterilizer

$ 87.12 $ 52.27

Camptonite from Cataclews Quarry N. Cornwall Petrographic Microscope Slide

$ 22 $ 13.2

Electric Knife Switch White Porcelain Base 1.5" x 4" Double THROW

$ 17.55 $ 10.53

CAST IRON HAND CRANK CREAM SEPARATOR DAIRY SPECIALTY CO W CHESTER PA MILK TESTER

$ 43.99 $ 26.39

Model Anatomy Board Anatomic 3D Body Human System Cardiovascular nova rico

$ 125.32 $ 75.19

Unusual Miniature Specific Gravity Bottle Gay Lussac 1 Gm. No.9011 Original Box

$ 44 $ 26.4

*Vintage* Weston Instruments Galvanometer -30-30 Amperes

$ 13.19 $ 7.91

100+ Year Old THOMAS A. EDISON BSCO PRIMARY BATTERY 6 3/4" PORCELAIN LID

$ 14.08 $ 8.44

Human Pathology of the Ear Projector Slide Set by Harvard Medical (1974)

$ 28.41 $ 17.04

Antique U.S.Gauge Co N.Y. Brass 3 3/16" PUROX 0 To 500 Beveled Glass Project

$ 30.8 $ 18.48

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

$ 1583.95 $ 950.37

VERY LIMITED EDITION Ca. 1890s OTTO SLIDE VALVE GAS ENGINE WORKS PA CATALOG

$ 13.2 $ 7.91

Vintage H. Tinsley & Co. Ltd Galvanometer Type 4500H # 82659 BOX#36

$ 88 $ 52.8