Receiver, radio

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OBJECT TYPE: STD BCST/SUPERHET/BATTERY/TUBE/TABLE
DATE: 1945
ARTIFACT NUMBER: 2001.0310.001

MANUFACTURER: THORKELSON RADIO
MODEL: D2
LOCATION: Winnipeg, Manitoba, Canada

More Information

General Information

Serial #: 3227
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOODCABINET. METAL, GLASS & SYNTHETIC COMPONENT PARTS & FITTINGS. FABRIC SPEAKER COVER.

Dimensions

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

Length: 45.3 cm
Width: 27.0 cm
Height: 24.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Radio
Sub-Category: N/A

Manufacturer

AKA: THORCRAFT
Country: Canada
State/Province: Manitoba
City: Winnipeg

Context

Country: Canada
State/Province: Manitoba
Period: THIS TYPE OF RADIO USED IN 1945+
Canada: THIS TYPE OF RECEIVER MADE IN WINNIPEG, MB BY THORKELSON RADIO IN 1945.
Function: TO DETECT AND AMPLIFY RADIO SIGNALS.
Technical: FIRST MARKETED IN 1924, SUPERHETERODYNE RECEIVERS WERE MORE STABLE, ACHIEVED HIGHER LEVELS OF AMPLIFICATION, AND OFFERED SIMPLER TUNING & BETTER SELECTIVITY THAN OTHER TYPES. BY 1930 SUPERHETERODYNE RECEIVERS DOMINATED THE DOMESTIC & COMMERICAL RECEIVER MARKETS, AND REMAIN THE BASIC RADIO CIRCUIT IN USE TODAY (2001). (1)
Area Notes: Unknown

Details

Markings: "THORCRAFT" & "STANDARD BROADCAST" printed on tuning dial face. Dial scale labelled 55 to 170. Label inside receiver back reads "Model No. D2/ Serial No. 3227/ Manufactured [text missing]/ THORKELSON RADIO [text missing]/ WINNIPEG, MA[NITOBA]". "32 volt" handwritten in black grease pencil on chassis. Some components bear mfr's markings./ Vacuum tubes: (from left to right): Tube 1: "25L6/GT" marked on tube sleeve. "MADE/ FOR/ PHILCO/ T.M. REG./ WHEN RENEWING/ INSIST ON A GENUINE/ PHILCO TUBE/ E7" marked on tube base. "LICENSED ONLY TO EXTENT/ INDICATED ON CARTON" cast in raised print on underside of tube base.; Tube 2: "25L6/GT" marked on tube sleeve. "MADE FOR/ CANADIAN MARCONI/ COMPANY" marked on tube base. "LICENSED ONLY TO EXTENT/ INDICATED ON CARTON" cast in raised print on underside of tube base.; Tube 3: "WESTINGHOUSE/ 6J5/ RADIOTRON/ LICENSED BY THERMIONICS LTD./ PATENTED 1927-1944" marked on tube sleeve. "6J5-B"stamped into metal tube sleeve.; Tube 4: "Westinghouse/ RADIO TUBE/ 6SQ7/ 4U" marked on tube sleeve. "LICENSED ONLY TO EXTENT/ INDICATED ON CARTON" cast in raised print on underside of tube base.; Tube 5: "Westinghouse / B5/ MADE IN CANADA/ JAN/ 6SK7/ V" marked on tube sleeve.
Missing: UNKNOWN. CABINET FINISH IS FLAKING. From CA of 12/19/2001 by Matthew Bruce: No - appears complete
Finish: DARK BROWN WOOD CABINET HAS LIGHTER BROWN FRONT PANEL AND DARKER BROWN/BLACK FINISH ON CORNERS AND TOP & BOTTOM EDGES OF FRONT. DARK BROWN MOULDED SYNTHETIC KNOBS. BROWN & GOLDTONE TUNING DIAL FACE. GOLDTONE SPEAKER FABRIC.
Decoration: N/A

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THORKELSON RADIO, Receiver, radio, 1945, Artifact no. 2001.0310, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2001.0310.001/

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