Test set, research

Use this image

Can I reuse this image without permission? Yes

Object images on the Ingenium Collection’s portal have the following Creative Commons license:

ATTRIBUTE THIS IMAGE

Ingenium, 1968.0645.001
Permalink:

Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.

DOWNLOAD IMAGE

PURCHASE THIS IMAGE

This image is free for non-commercial use.

For commercial use, please consult our Reproduction Fees and contact us to purchase the image.

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://collection.ingeniumcanada.org/en/id/1968.0645.001/

FEEDBACK

Submit a question or comment about this artifact.