Scientific Instruments
scientific instruments — pre-owned
Browse 47 scientific instruments — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Antique German Wooden Cased/Wall Mounted Barometer
It has a nice lathe turned wooden body with column supports to a semi-circular topper with top, bottom and pendant finials, (see pics). It is in very good condition with minor wear spots and scratches on the back of the body and topper only.

E LEITZ WETZLAR VINTAGE PETROGRAPHIC POLARIZING MICROSCOPE W/CASE & ACCYS - 1934
In addition, petrographic microscopes are much more complicated than biological microscopes. Don't miss this opportunity to add this excellent German-made Leitz petrographic polarizing microscope to your collection!

Central Scientific CENCO Michelson Interferometer Vintage
Central Scientific Cenco Vintage Michelson interferometer Condition is "Used". Shipped with USPS Parcel Select Ground. The Michelson interferometer (invented by the American physicist Albert A. Michelson, 1852–1931) is a precision instrument that produces interference fringes by splitting a light beam into two parts and then recombining them after they have traveled different optical paths.

WESTERN ELECTRIC ~ WILLIAMS ~ BELL TELEPHONE ~ EDISON ~ TELEGRAPH ~ 1870S RARE

RARE LO SCRICCIOLO TONI MORETTO ATTR. ITALIAN PORCELAIN SCENE PATIENT & DOCTOR
The sharp, sliced edges of the hair, the crinkles in the fabric, and the skeletal anatomy of the elongated fingers look as if they were sliced into the raw clay using a scalpel. The humor relies entirely on the stark contrast between the two characters: the detached, calculating calm of the doctor versus the explosive, gravity-defying panic of the patient.

VINTAGE ORIGINAL c1900 SCIENTIFIC INSTRUMENT TUNING FORK CHICAGO SUPPLY CO.
CHICAGO, ILL.

VINTAGE 1960 VERY RARE SPACIAL AGE DESIGN ELECTRONIC ACRYLIC CLOCK WORKING
As observed in images, the clock stands out for its bold, suspended cubic morphology resting upon a hollowed, architectonic pedestal with clean, faceted lines. The structure masterfully plays with light refraction and transparency, emulating the look of a floating ice block or a futuristic crystal—a motif highly sought after in luxury interior design during the era.

Antique Bausch & Lomb Optical Company Brass Microscope 23243 w/ Lenses in Box

Antique Taylor Cyclo Stormograph Recording Barograph, Wood & Glass- BEAUTIFUL!
A glass piece showing the clarity and craft of its period. A one-of-a-kind piece, packed with the attention it deserves. Please see pictures for more accurate condition issues. If you have any questions, please do not hesitate to contact us.

Vintage 20th C ENGLISH Style Mahogany CONCH SHELL Inlaid BAROMETER
Size is impressive 40.5” tall x 10.75” wide. This will be a nice touch of elegance in any traditional or mid-century modern setting.

Antique NOS Brass Mechanical Auburndale Thermometer Replacement Spring Part
Here is a recent estate find. This Might Be What You have Been Looking For! This is Estate Fresh, Sold As Found! Don't pass this one up, What you see pictured is what is included!

1922 SARGENT Scientific APPARATUS Catalog GLASSWARE Motors MICROSCOPES Lab GEAR
Large hardbound catalog, 500+ pages. Profusely illustrated, lots of graphics, a very interesting reference.

Vintage 1928 Weston Model 330 AC Voltmeter–Low Serial #10163-Excellent Condition
Based on its lowSerial Number 10163, this unit dates to thelate 1920s (approx. 1928-1929).

VINTAGE GENERAL ELECTRIC RECORDING AMMETER NO. 298 - ALTERNATING CURRENT TYPE CR
IT IS QUITE HEAVY FOR ITS SIZE. I AM NOT EXACTLY CERTAIN WHAT IT WAS USED FOR. THE GLASS IS FULLY INTACT.
You save $120.00

Unique!!! Barometer Wooden Case, Art Nouveau, Darmstadt
Rare Art Nouveau barometer wooden housing. Length 56.5 cm Width 17.7 cm Good used condition, Age -related signs of wear (see photos) Photos are the part of the description XXL pictures and mobile-optimized auction templates at www.trixum.de.

Double Illuminated Globe Globe Marco Polo Neumann & Co KG Munich
Old double illuminated globe, Marco Polo. Neumann & Co KG Munich, about 1950-1960. Dimensions: approx. 42x31cm. Bottom diameter: approx. 19cm. Used condition, age-related signs of wear, does not light up (see photos) PHOTOS ARE PART OF THE DESCRIPTION.

Minature Bunsen Burner - Old & Collectable
Here we have what I think is an old miniature Bunson burner. See the pictures and decide for yourself what this is and what it is used for. So, I am guessing this is about 100 years old.

RARE LARGE EUROPA SUNBURST VINTAGE FUTURISTIC SPATIAL AGE ALARM CLOCK
Hands: Features elegant, tapered brass hour and minute hands. A distinctive circular-tipped alarm hand allows for precise setting. Construction: The clock is mounted on a heavy, oval-shaped tiered plinth base, providing excellent stability for its large scale.

ANTIQUE CARL ZEISS MILITARY ARTILLERY GONIOMETER FOR THE ARGENTINIAN ARMY WORKS
Manufacturer: Carl Zeiss Jena (The world-renowned German optical firm). Condition: Excellent antique condition.

Weston Electrical Instrument Corp. Galvanometer Model 440, No. 5294 Vintage
This item is used and untested. It may or may not work and do not know how to test it. It is being sold as an artifact of history for display and not as a functional device. The unit has a hand written value of 2,000 Ohms on the instructions.

Antique POWERS REGULATOR CO Heat Regulation Panel Dual Gauges Chicago Steampunk
It's a Rare and Visually Striking Example of Early 20th Century Heat Regulation Technology, it even has the Copper Tubing Still Attached on the Back Side.
You save $26.25

VINTAGE SMALL LENS - ILEX ANASTIGMAT SERIES "C" F = 6.3 LOOK!
IT IS IN GOOD CONDITION OVERALL THIS IS FOR THE SMALL LENS PICTURED.
You save $25.00

Antique Steam Engine Oilers & Valves Industrial Art Wall Hanging Wood Display
Antique Steam Engine Oilers & Valves Display Board Size: 20.75" x 11" Weight: Approximately 8 lbs This antique display features a collection of steam engine oilers, valves, and fittings mounted on a wooden board. The three central pieces are marked Essex Brass Co., Detroit, USA, with the middle one also noting Detroit, Michigan. The shut-off keys on the middle sides are numbered—4 on the left and 3 on the right. Other components do not appear to have visible markings. Condition: Good antique condition with patina and signs of age. The wooden board has minor wear, and the back shows some structural wear near a mounting point (see photos).

VINTAGE 1970 RARE LONGINES GERMAN DESK ENAMELED ALARM CLOCK WORKING
As seen in1000587209.jpg and1000587212.jpg, the clock is housed within a rectangular block of dark, polished hardwood or heavy lacquered resin with a deep espresso/black finish. Presentation Plaque: To the left of the dial sits an engraved brass presentation plaque (1000587211.jpg ).

Antique Dissolving Rheostat - Bausch & Lomb Optical Co. In Cage - Estate
Antique Dissolving Rheostat - Bausch & Lomb Optical Co. Fresh out of an old Maine estate collection.

Antique Relay from J.H. Brunnell & Co. Inc., New York (untested)
Antique Relay from J.H. Brunnell & Co. Inc., New York (untested). Original date of manufacture is unknown but I believe it is from the late 1800s or early 1900s but I am not 100% sure. See photos for details on the condition.

ANTIQUE VINTAGE LOUIS PASTEUR SMALL BRONZE BUST WITH MARBLE BASE

Newport 855C Programmable Controller 4 Axis Motion Driver IEEE-488 Powers On
Manufacturer: Newport Corporation (Fountain Valley, CA). From an MIT, Draper Laboratory estate here in New England.

COLLECTION OF OLD CHEMICAL APPLIANCES. ALEMBI DUJARDIN ETC...XIX CENTURY
COLLECTION OF CHEMICAL UTENSILS. PERIOD XIX CENTURY. ÉPOCA SIGLO XIX. OTHER UTENSILS 35 X 15 CM AND 25 X 17 CM. SEE THE IMAGES TO CHECK THE REAL CONDITION OF THE CHEMISTRY UTENSILS COLLECTION. AUTRES USTENSILES 35 X 15 CM ET 25 X 17 CM.

Leitz Leica Angle Finder Winko Black Approx. 1925
From a private collection in the customer order is offered: Leitz, Leica Winkelsucher about 1925-1930. Dimensions: approx. 7.3 x 2.7 cm. Good used condition, age-related signs of wear, function not checked (see photos) Photos are the part of the description.

Tektronix PRISM Hopkins Engineering Power Module 350W Rack Vintage Lab Equipment
Maximum Power Output: 350W continuous. This rack-mountable unit originates from the estate of a computer scientist with ties to advanced research facilities. Hopkins Engineering's role as a precision power module supplier to Tektronix underscores the specialized nature of this component.

Vintage Used Davis Wynn & Andrews Ltd. Anson Vibrometer. Made in UK.
Used Davis Wynn & Andrews Ltd Anson Vibrometer. Inspection plaque says May 1951. Made in United Kingdom.
You save $15.00

Antique Scimatco Bunsen Burner Pat. 1913. Scientific Materials Co.
Antique Scimatco Bunson Burner Pat. Jan. 1913. Scientific Materials Co.Pittsburgh Pennsylvania USA. Cast iron and brass. 6 1/2 inches tall. Good condition, see photos for overall condition.

VINTAGE HELVECO DESIGNER ALARM CLOCK HIGH GRADE 15 JEWLES MVT ENAMELED NUMERALS
Manufacturer: Helveco (Switzerland). This is an exquisite and rare mid-century modern Swiss-made desk or alarm clock by the prestigious manufacturerHelveco. Jewels: 15 Jewels (High-grade caliber shared with Jaeger-LeCoultre).

ANTIQUE RARE WOODEN TYPEWRITER KEYBOARD TYPING PRACTICE SEE
Predating the widespread use of electric typewriters and personal computers, such devices were essential training tools for students and clerks aiming to master the speed and accuracy of the QWERTY keyboard layout without the need for a functioning typewriter, ink, or paper.

Vintage Siemens & Halske Germany Ammeter Milliamperemeter and Case

DAVID WHITE BRASS SURVEY DUMPY Level WITH CASE 18" C:1941 114
DAVID WHITE CO. VERY WELL BUILT. CASE AND HOOD INCLUDED.

Circa 1900, Antique French Aneroid Barometer & Thermometer by Samy et Lévy
Capture the essence of Belle Époque scientific precision with this stunningFrench wall-mounted weather station. Maker: Samy et Lévy (S.L. & Cie). Era: Late 19th Century / Early 20th Century (Circa 1890–1910).

Vintage Blood Pressure Manometer Kit from Dr's Estate
Vintage Blood Pressure Manometer Kit from Dr's Estate

BRASS RING WITH GLASS AND NEEDLE FOR A BAROMETER 3 7/8″ OR 9,8 CM WIDE
It’s approx. In good condition. Used item, signs of use and age. -Wood case parts. They are bound to have signs of use, may be in need of cleaning. They might look slightly different then pictured due to production process differences.