Ammeter

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OBJECT TYPE
AC-DC STANDARD/ELECTRODYNAMOMETER
DATE
1940–1949
ARTIFACT NUMBER
1988.0390.001
MANUFACTURER
Weston Electrical Instrument Corp.
MODEL
326
LOCATION
Newark, New Jersey, United States of America

More Information


General Information

Serial #
1675
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOODEN CABINET & LID/ METAL FEET, HARDWARE, KNOBS,WORKING PARTS & BASE/ SYNTHETIC KNOBS & METER COVER/ GLASS DIAL COVER

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
39.7 cm
Width
38.5 cm
Height
21.2 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
Weston
Country
United States of America
State/Province
New Jersey
City
Newark

Context

Country
Canada
State/Province
Ontario
Period
Unknown
Canada
USED IN CANADA
Function
TO MEASURE ELECTRIC CURRENTS IN AMPERES/ PRIMARY REFERENCE STANDARD AGAINST WHICH ALL AC & DC INSTRUMENTS MAY BE CHECKED.
Technical
EXAMPLE OF LABORATORY STANDARD QUALITY METER/ ALABORATORY-TYPE INSTRUMENT IS ONE IN WHICH THE DESIGN IS SUCH AS TO SECURE GREAT ACCURACY IN THE MEASUREMENT FOR WHICH IT IS USED. USED SOLEY FOR COMPARING ACCURACY OF SOME INSTRUMENTS & FOR CALIBRATING OTHERS. DESIGNED FOR HIGH DEGREE OF ACCURACY, RELIABILITY & STABILITY.
Area Notes
Unknown

Details

Markings
EMBOSSED IN METER COVER: 'WESTON LABORATORY STANDARD/ A.C. & D.C. AMMETER/ MODEL 326 NO. 1675/ WESTON ELECTRICAL INSTRUMENT CORP./ NEWARK N.J., U.S.A./ PATENTED JAN. 1, 1895 MAR. 22, 1898 OCT. 4, 1898 AUG. 12, 1913/ OTHER PATENTS PENDING'/ METAL PLAQUE ON FRONT: 'R 1068'/ SCALE MARKINGS: '0 [TO] 5' '0 [TO] 2.5'/ MARKINGS AROUND KNOBS: '2.5' '5' '2.5' '5' '2.5' '5' '5'
Missing
PROBABLY LID/ PRESENT LID HAS ONE SIDE BROKEN OFF
Finish
STAINED & VARNISHED WOOD/ BLACK KNOBS & METER COVER/ UNFINISHED METAL
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Weston Electrical Instrument Corp., Ammeter, between 1940–1949, Artifact no. 1988.0390, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.0390.001/

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