Microphone
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Ingenium,
1990.0143.001
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- OBJECT TYPE
- CARBON/DOUBLE BUTTON
- DATE
- 1925
- ARTIFACT NUMBER
- 1990.0143.001
- MANUFACTURER
- NORTHERN ELECTRIC CO. LTD.
- MODEL
- R387
- LOCATION
- Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- MACHINED STEEL NICKLE-PLATED BODY/ DURALUMINUM DIAPHRAGM/ BRASS BRIDGE/ CARBON BUTTONS/ MISC STEEL HARDWARE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 8.5 cm
- Height
- 5.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Radio
- Sub-Category
- N/A
Manufacturer
- AKA
- NORTHERN ELECTRIC
- Country
- Canada
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1926 TO 1940
- Canada
-
MADE IN CANADA/ USED IN EARLY CANADIAN BROADCASTING - Function
-
USED TO PICK UP SOUND, SUCH AS VOICE, MUSIC ETC. AND CONVERT IT TO COMPLEX ALTERNATING CURRENTS WHICH ARE AMPLIFIED AND TRANSMITTED AS RADIO SIGNALS - Technical
-
ONE OF THE SERIES OF DOUBLE-BUTTON CARBON MICS WITH STRETCHED DIAPHRAGMS INTRODUCED BY WESTERN ELECTRIC IN 1920/ THEY HAD IMPROVED SOUND QUALITY BUT HAD REDUCED SENSITIVITY SO REQUIRED MORE AMPLIFICATION - Area Notes
-
Unknown
Details
- Markings
- STAMPED: 'NORTHERN ELECTRIC/ COMPANY LIMITED/ 1919. 1924. 1926./ R387'/ ON REVERSE SIDE: 'B'
- Missing
- MOUNTING HOOKS AROUND EDGE
- Finish
- NICKLE PLATED
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
NORTHERN ELECTRIC CO. LTD., Microphone, circa 1925, Artifact no. 1990.0143, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1990.0143.001/
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