Receiver, radio
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2001.0352.001
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- OBJECT TYPE
- REFLEX/REGENERATIVE/BATTERY/TUBE/TABLE
- DATE
- 1924
- ARTIFACT NUMBER
- 2001.0352.001
- MANUFACTURER
- De Forest Radio Corp. Ltd.
- MODEL
- CROSLEY R3
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- R3-2641
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- MAHOGANY WOOD CABINET. METAL, GLASS & SYNTHETIC COMPONENT PARTS & FITTINGS. FABRIC COVERED ELECTRICAL CORDS.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 68.2 cm
- Width
- 36.5 cm
- Height
- 25.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Radio
- Sub-Category
- N/A
Manufacturer
- AKA
- Deforest
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- THIS TYPE OF RECEIVER USED 1924+
- Canada
-
EARLY REFLEX REGENERATIVE RECEIVER MFD IN TORONTO, ON BY DE FOREST RADIO CORP. LTD. IN 1924. ACCORDING TODONOR THIS RECEIVER IS OF CANADIAN DESIGN. (REF. 1) - Function
-
TO DETECT AND AMPLIFY RADIO SIGNALS. - Technical
-
THE REFLEX RADIO RECEIVING CIRCUIT WAS INVENTED IN 1917 BY MARIUS LATOUR. IN IT, THE VACUUM TUBES ARE MADE TO PERFORM AS BOTH RADIO AND AUDIO FREQUENCY AMPLIFIERS. THE INCOMING RADIO FREQUENCY CURRENT IS AMPLIFIED AT RADIO FREQUENCY, RECTIFIED BY A DETECTOR, THEN AMPLIFIED AT AUDIO FREQUENCY, USING THE SAME TUBE. (REF. 2) - Area Notes
-
Unknown
Details
- Markings
- "CROSLEY/ RADIO/ R3" marked on front panel, above tuning dial. Goldtone decal on inside of cabinet lid reads "MANUFACTURED BY/ DE FOREST RADIO/ CORPORATION LTD./ -TORONTO-/ PATENTED/ 1909-1914-1915-1916-1917-1918-/1919-1920-1921-1922-1923/ LICENSED ONLY FOR AMATEUR, EXPERIMENTAL,/ AND ENTERTAINMENT USE/ De Forest/ TRADE MARK REG./ CROSLEY/ TRADE MARK REG." Serial number "R3-2641" incised in chassis top. "EVEREADY" stamped on both battery connection plates. Internal connections and cable connection tags labelled.
- Missing
- UNKNOWN. SAID TO BE IN ORIGINAL CONDITION. From CA of 12/17/2001 by Matthew Bruce: No - appears complete
- Finish
- DARK BROWN WOOD CABINET. BLACK METAL PANEL ON CABINET FRONT FITTED WITH METAL INDICATOR DIALS AND DARK BROWN/BLACK MOULDED SYNTHETIC KNOBS. GLASS VACUUM TUBES HAVE PARTIALLY-SILVERED SLEEVES. WOVEN FABRIC COVERING ON ELECTRICAL CONNECTIONS COLOUR-CODED YELLOW, ORANGE, RED, BLUE, BROWN, BLACK & OFF-WHITE.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
De Forest Radio Corp. Ltd., Receiver, radio, 1924, Artifact no. 2001.0352, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2001.0352.001/
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