Ammeter
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1969.0701.001
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- OBJECT TYPE
- External shunt/Panel/Switchboard
- DATE
- 1901–1919
- ARTIFACT NUMBER
- 1969.0701.001
- MANUFACTURER
- Weston Electrical Instrument Co.
- MODEL
- 57
- LOCATION
- Newark, New Jersey, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- Steel case, glass window, calibrated metal meter face, plastic thumb nuts, brass thumb nuts.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 11.4 cm
- Width
- 22.9 cm
- Height
- N/A
- 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
- North America
- State/Province
- Unknown
- Period
- 1902-1940
- Canada
-
Was used in radio station VE90B now CHU, Canada's time reference source maintained by the Dominion Observatory. - Function
-
Used to monitor the flow of direct current in a power room. - Technical
-
This artifact is similar to 68.0580. The fact that this model was still being mfr'd in 1941 shows the usefulness of its design. - Area Notes
-
Unknown
Details
- Markings
- Label glued to the back of the ammeter reads: "DIRECTIONS./ It is important that the following be carefully observed in connecting/ up Weston Ammeter with shunts:/ 1st. See that the instrument, cables and shunt bear the same manufacturing numbers, as/ they are adjusted and numbered in sets, and each set must therefore be connected up together./ 2nd. Always connect the cable to the shunt first before connecting to the instrument./ 3d. All contacts must be cleaned and screwed down firmly./ 4th. Do not cut the cables or in any way change the/ length of them./ 5th. Do not break the seals; if the instrument is out of order ship it to the maker for repairs./ 6th. When shipping instruments fasten the cover to the packing box with screws, not nails,/ as the pounding with the hammer will injure the instrument./ WESTON ELECTRICAL INSTRUMENT CO.,/ NEWARK, N.J., U.S.A." Face plate reads: "WESTON AMMETER/ MADE BY/ WESTON ELECTRICAL INSTRUMENT COMPANY/ NEWARK, N.J; U.S.A." Mfr. patent plate: "PATENTED NOV. 6, 88. MAY, 14, 89./ APR. 29, 90. NOV. 11, 90. FEB. 17, 91./ MAY, 12, 91. DEC. 29, 91. MAR. 8, 92./ APR. 26, 92. JUN. 28, 92. AUG. 16, 92./ NOV. 22, 92. JAN. 31, 93. APR. 4, 93./ MAY 2, 93. MAY, 16, 93. JUN. 13, 93./ JUL. 10, 94. NOV. 20, 94. JAN. 29, 95./ OCT. 4, 98. JUL. 16, 01./ DESIGN PATENTS JUN. 10, 90./ MAR. 20, 94. MAR. 27, 94. MAR. 22, 98."
- Missing
- External shunts.
- Finish
- Black glossy enamel on case, meter face dull/ Black enamel with raised nickel plated decoration and manufacturer's name.
- Decoration
- Raised leaf like decoration on face.
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Weston Electrical Instrument Co., Ammeter, circa 1901–1919, Artifact no. 1969.0701, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1969.0701.001/
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