Microphone
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1972.0598.001
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- OBJECT TYPE
- CARBON/DOUBLE BUTTON/TABLE
- DATE
- 1920
- ARTIFACT NUMBER
- 1972.0598.001
- MANUFACTURER
- MARCONI CANADA
- MODEL
- Unknown
- LOCATION
- Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- SHEET METAL CASE; METAL SCREEN; FABRIC COVERING OVER DIAPHRAGM OPENING; ALUMINUM DIAPHRAGM WITH CARBON GRANULE BUTTON CAPSULES IS WORKING PART OF THEMICROPHONE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 16.5 cm
- Width
- 12.1 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- MARCONI
- Country
- Canada
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- C.1920-1925
- Canada
-
SIMILAR TO MICROPHONES USED IN EARLY STUDIO OF CFCF MONTREAL - Function
-
TO PICK UP SOUND, VOICE AND MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO MODULATE A BROADCAST TRANSMITTER. - Technical
-
UNUSUAL CASE DESIGN FOR A CARBON MICROPHONE. GENERALLY, THE HIGH VOLTAGE OUTPUT OF A CARBON MICROPHONE MAKES SHIELDING UNNECESSARY. - Area Notes
-
Unknown
Details
- Markings
- MARKED ON BACK: 'Marconi Canada', '6V' & 'Output'
- Missing
- N/A
- Finish
- BRIGHT PLATED FINISH, PROBABLY NICKEL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MARCONI CANADA, Microphone, circa 1920, Artifact no. 1972.0598, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1972.0598.001/
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