Receiver, radio

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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://collection.ingeniumcanada.org/en/id/2001.0352.001/

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