Relay
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1990.0054.001
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- OBJECT TYPE
- ELECTRO-MECHANICAL
- DATE
- 1910
- ARTIFACT NUMBER
- 1990.0054.001
- MANUFACTURER
- Brown, S.G.
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOODEN CASE/ METAL KNOBS & HARDWARE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 10.0 cm
- Width
- 6.0 cm
- Height
- 14.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telephony
- Sub-Category
- N/A
Manufacturer
- AKA
- Brown
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- England
- State/Province
- Unknown
- Period
- 1910 ON
- Canada
-
THIS UNIT OWNED BY COL. W. LAURIE, ROYAL CANADIAN CORPS. OF SIGNALS DURING WW I & II. - Function
-
USED TO AMPLIFY WEAK TELEPHONE SIGNALS BEFORE THE DEVELOPMENT OF THE VACUUM TUBE. - Technical
-
A GOOD EXAMPLE OF AN ATTEMPT AT AUDIO AMPLIFICATION BEFORE THE ADVENT OF THE VACUUM TUBE AMPLIFIER. - Area Notes
-
Unknown
Details
- Markings
- EMBOSSED ON METAL PLATES ON SIDE: '1500w/ PHONES' '6VLT./ BATT.' 'LE/ 1500w'
- Missing
- N/A
- Finish
- STAINED & VARNISHED CASE/ CHROMED METAL KNOBS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Brown, S.G., Relay, circa 1910, Artifact no. 1990.0054, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1990.0054.001/
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