Microphone
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,
1992.0048.001
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
- CRYSTAL/TABLE
- DATE
- 1940–1949
- ARTIFACT NUMBER
- 1992.0048.001
- MANUFACTURER
- Canadian Astatic Ltd.
- MODEL
- D-104
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- MACHINED BRASS CASE WITH HEAVY WOVEN DIAPHRAGM PROTECTIVE SCREEN, CLOTH WIND SCREEN COVER/ INTERNAL: STRETCHED ALUMINUMDIAPHRAGM & ROCHELL SALT CRYSTAL/ CORD & CONNECTOR
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 8.0 cm
- Height
- 22.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- Astatic
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- North America
- State/Province
- Unknown
- Period
- LATE 1940'S TO 1980'S
- Canada
-
MADE & USED IN CANADA - Function
-
TO PICK UP SOUND OR VOICE & CONVERT TO COMPLEX ALTERNATING CURRENT. THE AC WOULD BE AMPLIFIED TO MODULATE A RADIO TRANSMITTER. - Technical
-
TYPE SAMPLE OF SIMPLE & RELATIVELY INEXPENSIVE CRYSTAL MICROPHONE FOR GENERAL USE - Area Notes
-
Unknown
Details
- Markings
- MFR'S PLATE: 'CANADIAN ASTATIC LIMITED/ TORONTO CANADA/ MOD MADE IN CANADA/ D 104/ PATENT NOTICE INSIDE'/ ON BASE: 'E2 G'/ DYNATAPE: '2'
- Missing
- N/A
- Finish
- BLACK PAINTED BASE/ CHROMED MICROPHONE & SUPPORT POST/ GREY CORD/ WHITE CALL LETTERS
- Decoration
- WIRE COVER OVER AUDIO INTAKE
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Canadian Astatic Ltd., Microphone, between 1940–1949, Artifact no. 1992.0048, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.0048.001/
FEEDBACK
Submit a question or comment about this artifact.