Voltmeter

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Ingenium, 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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