Voltmeter
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1992.1709.001
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- OBJECT TYPE
- DC/PORTABLE/MOVING IRON
- DATE
- 1890
- ARTIFACT NUMBER
- 1992.1709.001
- MANUFACTURER
- Carpentier, J.
- MODEL
- Unknown
- LOCATION
- Paris, France
More Information
General Information
- Serial #
- 1957
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL; GLASS; PAPER; WOODEN STAND/.2 BASE CONTAINS LARGE COPPER COIL OR WOUND RESISTOR, MOUNTED IN WAX.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 16.5 cm
- Width
- 9.2 cm
- Height
- 12.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Energy-electric
- Category
- Measurement
- Sub-Category
- N/A
Manufacturer
- AKA
- Carpentier
- Country
- France
- State/Province
- Unknown
- City
- Paris
Context
- Country
- France
- State/Province
- Unknown
- Period
- THIS TYPE OF METER USED C.1890S
- Canada
-
Unknown - Function
-
TO MEASURE VOLTAGE - Technical
-
EARLY VOLTMETER, MFD. BY JULES ADRIEN MARIE LOUIS CARPENTIER (1851-1921) INPARIS. VOLTMETER DESIGN PATENTED BY CARPENTIER & MARCEL DUPREZ (1843-1918), A FRENCH ELECTRICAL ENGINEER. DEPREZ INVENTED THE 'FISHBONE GALVANOMETER', A POLARIZED IRON INSTRUMENT WHOSE COMBINATION OF LIGHT MOVING PARTS AND STRONG MAGNETIC FORCES (EXERTED BY A POWERFUL PERMANENT MAGNET MOUNTED NEARBY) ALLOWS THIS LOW-SENSITIVITY INSTRUMENT TO RESPOND VERY RAPIDLY TO CHANGES IN CURRENT. THESE INSTRUMENTS CAN BE USED TO MEASURE BOTH DIRECT & ALTERNATING CURRENTS. (REF.1,P.18). GIVEN THAT VOLTMETERS WERE UNKNOWN BEFORE C.1879, THIS CARPENTIER EXAMPLE REPRESENTS VERY EARLY VOLTMETER. - Area Notes
-
Unknown
Details
- Markings
- .1 SCALE ALONG TOP EDGE DIVIDED IN SINGLE INCREMENTS, FROM 0-100, AND NUMBERED AT EVERY 10TH DIVISION. METER FACE ALSO MARKED: 'VOLTS-METRE/ Deprez et Carpentier/ Bte s.g.d.g.' & 'J. Carpentier, Ingr. Contr./ Paris/ No. 1957/ Resistance 2355 ohms.'/.2 '1957' & '1' STAMPED INTO CASING BACK
- Missing
- APPEARS COMPLETE
- Finish
- ORIGINAL FINISH PROBABLY BRIGHT LACQUER. OFF-WHITE PAPER METER FACE. UNFINISHED WOOD MOUNTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Carpentier, J., Voltmeter, circa 1890, Artifact no. 1992.1709, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1709.001/
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