Receiver, radio

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OBJECT TYPE: REGENERATIVE/BATTERY/TUBE/TABLE
DATE: 1924
ARTIFACT NUMBER: 2001.0291.001

MANUFACTURER: De Forest Radio Corp. Ltd.
MODEL: DE FOREST CROSLEY 52
LOCATION: Toronto, Ontario, Canada

More Information

General Information

Serial #: C5875E
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD CABINET; METAL, GLASS, FIBRE & SYNTHETIC COMPONENT PARTS & FITTINGS.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 34.5 cm
Width: 15.5 cm
Height: 15.2 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 RADIO RECEIVER USED 1924+
Canada: EARLY REGENERATIVE RADIO RECEIVER MADE IN TORONTO, ON BY DE FOREST RADIO CORP. LTD. IN 1924.
Function: TO DETECT AND AMPLIFY RADIO SIGNALS.
Technical: REGENERATIVE RADIO RECEIVERS WERE DEVELOPED IN THE EARLY 1920S, AS AN ALTERNATIVE TO CRYSTAL SETS. REGENERATIVE SETS EMPLOYED A VACUUM TUBE TO BOTH DEMODULATE OR DETECT THE SIGNAL, AND TO PROVIDE AMPLIFICATION. CAREFUL CONTROL OF THE LEVEL OF AMPLIFICATION WAS NECESSARY TO PREVENTOSCILLATION OF THE VACUUM TUBE *
Area Notes: Unknown

Details

Markings: "De Forest/ CROSLEY/ 52" marked on cabinet front. "W.S.J." crudely incised by hand, above. Goldtone decal applied to 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." Controls, connections, etc. labelled. Serial no. "C5875E" incised on upper inside edge of front panel. Individual components bear mfr's markings.
Missing: VACUUM TUBES ARE NOT ORIGINAL. From CA of 12/17/2001 by Matthew Bruce: No - appears complete
Finish: DARK WOOD CABINET. BLACK SYNTHETIC PANEL BEARS OFF-WHITE MARKINGS AND SILVER METAL COLOUR INDICATORS AND FITTINGS. BLACK MOULDED SYNTHETIC KNOBS. 3 GLASS VACUUM TUBES VISIBLE INSIDE CABINET. LIGHT BROWN FABRIC COVERING ON WINDINGS.
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. 2001.0291, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2001.0291.001/

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