Test set, return loss
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1977.0035.001
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- OBJECT TYPE
- TELEPHONE
- DATE
- 1965
- ARTIFACT NUMBER
- 1977.0035.001
- MANUFACTURER
- Northern Electric Co. Ltd. of Canada
- MODEL
- 54C
- LOCATION
- Montréal, Québec, Canada
More Information
General Information
- Serial #
- 10
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- CASE: WOOD WITH SHEET METAL COVERING & LINED WITH FABRIC/ SET: METAL CABINET, SYNTHETIC KNOBS & FEET, GLASS DIAL COVER
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 41.0 cm
- Width
- 28.0 cm
- Height
- 30.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telephony
- Sub-Category
- N/A
Manufacturer
- AKA
- Northern Electric
- Country
- Canada
- State/Province
- Québec
- City
- Montréal
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- 1965-1974
- Canada
-
A MADE IN CANADA TEST SET EVEN THOUGH WESTERN ELECTRIC SETS COULD HAVE BEEN PURCHASED. - Function
-
USED TO MEASURE THE RETURN LOSS OF A TELEPHONE TRUNK CIRCUIT. NOTE: RETURN LOSS IS ANOTHER TERM FOR INDICATING HOW CLOSELY THE TRUNK CIRCUIT IMPEDANCE MATCHES THE TERMINATING EQUIPMENT ON THE DISTANT END. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- SET: PRINTED ON TOP PANEL: 'J99254C-1/ 54C RETURN LOSS MEASURING SET/Northern Electric/ COMPANYLIMITED/ MADE IN CANADA'/ VARIOUS MARKINGS AROUND DIALS & KNOBS/ 'SERIAL NO. 10'/ CALIBRATION STICKER: 'CALIBRATED ETALONNE/ FEB 9 1973'/ PAINTED ON SIDE: 'DANIEL CO'/ CASE: PAINTED ON TOP: '54C RETURN LOSS/ MEASURING SET'/ ON LID EDGE: 'NEKS-15981,L3'/ DECAL ON SIDE: 'J.E. LORTIE. CO. LTD./ JELCO/ MONTREAL-CANADA'
- Missing
- N/A
- Finish
- TEST SET: CASE, LIGHT GREY GLOSS ENAMEL; TOP PANEL, DARK GRAY ENAMEL/ CARRYING CASE: BLACK GLOSS ENAMEL; INTERIOR, MAROON CLOTH
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Northern Electric Co. Ltd. of Canada, Test set, return loss, circa 1965, Artifact no. 1977.0035, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1977.0035.001/
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