Test set, research
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1968.0645.001
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- OBJECT TYPE
- SLIDE BACK VOLTMETER/TUBE
- DATE
- 1940
- ARTIFACT NUMBER
- 1968.0645.001
- MANUFACTURER
- RESEARCH ENTERPRISES LTD.
- MODEL
- I R970
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- 8
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- SHEET METAL CASE/ METAL, GLASS & SYNTHETIC WORKING PARTS/ SYNTHETIC KNOBS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 23.5 cm
- Width
- 18.4 cm
- Height
- 21.6 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Service-test equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- REL
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- WWII INTO THE 1950'S
- Canada
-
MADE BY REL IN CANADA & USED IN RESEARCH AT NRC - Function
-
USED TO MEASURE DC VOLTAGE FROM A HIGH IMPEDANCE SOURCE THAT COULD BE CHANGED & THUS BE INACCURATE IF MEASURED WITH A LOW IMPEDANCE MEASUREMENT SYSTEM - Technical
-
TYPE SAMPLE OF AN INSTRUMENT USING AN EARLY TECHNIQUE TO OVERCOME THE PROBLEMS OF ACCURATELY MEASURING HIGH IMPEDANCE CIRCUITS AND SHORT DURATION PULSES - Area Notes
-
Unknown
Details
- Markings
- PLATES ON TOP: 'SLIDE BACK/ V.T.V.M./ TYPE IR970/ SERIAL NO.8/ C W O NO.158/ MADE IN CANADA BY/ RESEARCH ENTERPRISES LTD.' '115V 25__'/ DESIGNATIONS AROUND KNOBS/ CALIBRATION '0' TO '140' ON PLATE/ 'R.5403' HANDPAINTED ON BOTTOM
- Missing
- LINE CORD PLUG/ BROKEN KNOB
- Finish
- BLACK WRINKLEFINISH CABINET/ WHITE CALIBRATION PLATE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
RESEARCH ENTERPRISES LTD., Test set, research, circa 1940, Artifact no. 1968.0645, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1968.0645.001/
FEEDBACK
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