Generator, signal
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:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1995.1578.001
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 IMAGEPURCHASE 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
- INTERMODULATION
- DATE
- 1948
- ARTIFACT NUMBER
- 1995.1578.001
- MANUFACTURER
- Western Electric Co.
- MODEL
- RA-1258
- LOCATION
- Hollywood, California, United States of America
More Information
General Information
- Serial #
- 20
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD CASING WITH METAL PARTS/ METAL INTERIOR PANEL WITH SYNTHETIC CONTROLS, METER CASING & WINDOW, PARTS/ METAL SWITCHES, PARTS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 53.0 cm
- Width
- 19.8 cm
- Height
- 27.3 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- Western Electric
- Country
- United States of America
- State/Province
- California
- City
- Hollywood
Context
- Country
- Canada
- State/Province
- Quebec
- Period
- 1950'S+
- Canada
-
EQUIPMENT USED IN ENGINEERING DEPT. OF NATIONALFILM BOARD OF CANADA. CREATED IN 1939, NFB IS PUBLIC AGENCY THAT PRODUCES & DISTRIBUTES FILMS & OTHER AUDIOVISUAL WORKS WHICH REFLECT CANADA. AT ONE TIME WELL FUNDED BY GOV'T, NFB HAD GOOD QUALITY EQUIPMENT BY WELL KNOWN MFRS. - Function
-
WITH INTERMODULATION SIGNAL GENERATOR (951577), USED TO TEST AUDIO DEVICES FOR DISTORTION CAUSED BY INTERMODULATION (MODULATION OF ONE FREQUENCY BY ANOTHER). SIGNAL GENERATOR SENDS TWO COMBINED FREQUENCIES THROUGH DEVICE BEING TESTED, & OUTPUT IS FED TO ANALYSER WHERE PERCENTAGE OF INTERMODULATION IS MEASURED. - Technical
-
EXAMPLE OF ACOUSTICAL TEST EQUIPMENT OF 1950'S, PART OF EQUIPMENT OF AUDIOVISUAL PRODUCTION FACILITY. - Area Notes
-
Unknown
Details
- Markings
- GREY LETTERING ON INTERIOR PANEL READS "Western Electric"/ RA-1258/ INTERMODULATION/ SIGNAL GENERATOR" & FOR CONTROL FUNCTIONS/ BLACK LETTERING ON METER FACE READS ""WESTON ELEC. INST. CORP. NEWARK N.J. U.S.A./ WESTERN ELECTRIC/ RA-1279/ MODEL 732"
- Missing
- APPEARS COMPLETE From CA of 02/18/2002 by David Daley: Undetermined - empty cord socket suggests missing cord
- Finish
- LIGHT BROWN COATED WOOD/ CHARCOAL GREY INTERIOR PANEL/ BLACK SYNTHETIC/ COLOURLESS, TRANSPARENT WINDOW/ RED LIGHT/ PLATED & METALLIC PARTS
- Decoration
- GREY LINE AROUND EDGE OF CONTROL PANEL
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Western Electric Co., Generator, signal, 1948, Artifact no. 1995.1578, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1995.1578.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
1995.1578.001
