Ammeter
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1988.0390.001
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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://collections.ingeniumcanada.org/en/id/1988.0390.001/
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