Test set, relay

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Ingenium, 1991.0141.001
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OBJECT TYPE: DC/PORTABLE
DATE: 1975
ARTIFACT NUMBER: 1991.0141.001

MANUFACTURER: Northern Electric Co. Ltd. of Canada
MODEL: NE-35F
LOCATION: Montreal, Quebec, Canada

More Information

General Information

Serial #: NF1237
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL/ SYNTHETIC/ LEATHER STRAP & HANDLE

Dimensions

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

Length: 31.0 cm
Width: 26.0 cm
Height: 15.5 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: Quebec
City: Montreal

Context

Country: Canada
State/Province: Quebec
Period: PROBABLY 1975 TO 1984 (LAST CALIBRATED 1984; DYNO LABEL MAR. 1975)
Canada: MADE & USED IN CANADA
Function: DC REGULATING & MEASURING DEVICE TO TEST & ADJUST RELAYS & OTHER APPARATUS FOR WHICH CURRENT FLOW & VOLTAGE REQUIREMENTS ARE SPECIFIED.
Technical: PROBABLY THE MOST USED TEST SET TYPE IN THE PERIOD WHEN RELAYS WERE THE CORE OF EVERY TELEPHONE SWITCHING SYSTEM.
Area Notes: Unknown

Details

Markings: DIAGRAM AFFIXED INSIDE LID TITLED:'NE-35F TEST SET/ CIRCUIT LABEL'/ STICKER ON FRONT:'Bell'/ EMBOSSED ON TOP EDGE:'3047-406-4'/ DYNATAPE:'3047-406-4 MARS 75'/ CALIBRATION NUMBERS PRINTED AROUND SWITCHES ON TOP/ KEYS LABELLED: '1''2''3''4'/SWITCHES & OPENINGS LABELLED:'3/4 AMP''BAT & GRD/ CO''REV''VM/3MA''MIL-/AMPS/15(3)/ 750/ 75''SIGNAL TEST''BAT. &/ GRD.''EXT./ KEY''BAT. &/ GRD.' 'S''T&R''GRD''S''BAT''U''S''12''R''T'/ METER: 'D.C. VOLTS-MILLIAMPERES/NorthernElectric/ D9A/ EXT.RESISTORS/ FOR VOLTS/ 333 OHMS/ PER VOLT'/ STICKER:'northerntelecom'/ 'nt northern telecom/ DATE CAL./Oct84/NEXT CAL./OCT 85/SER.NO.NF1237/1FC E1'/ MFR'S PLATE 'NE-35F/ TEST SET/ J94714B-1/ Northern Electric/ MADE IN CANADA'
Missing: PATCH CORDS & OTHER CONNECTORS
Finish: GREY HAMMERLIN METAL CASE WITH LID/ BLACK TOP & SIDE PANEL/ WHITE PRINTING/ BLACK METER WITH WHITE FACE & BLACK PRINTING/ BROWN LEATHER STRAP & HANDLE.
Decoration: N/A

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

Northern Electric Co. Ltd. of Canada, Test set, relay, before 1975, Artifact no. 1991.0141, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1991.0141.001/

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