Receiver, radio

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OBJECT TYPE: TRF/BATTERY/TUBE/TABLE
DATE: 1923
ARTIFACT NUMBER: 2001.0347.001

MANUFACTURER: NORTHERN ELECTRIC CO. LTD.
MODEL: R3
LOCATION: Canada

More Information

General Information

Serial #: N/A
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 CONNECTIONS.

Dimensions

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

Length: 45.8 cm
Width: 16.0 cm
Height: 23.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: NORTHERN ELECTRIC
Country: Canada
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: THIS TYPE OF RECEIVER USED 1923+
Canada: EARLY TUNED RADIO FREQUENCY (TRF) RECEIVER MFD BY NORTHERN ELECTRIC CO. LTD. IN 1923.
Function: TO DETECT AND AMPLIFY RADIO SIGNALS.
Technical: TUNED RADIO FREQUENCY (TRF) RECEIVERS USE ONE OR MORE STAGES OF RADIO FREQUENCY AMPLIFICATION BEFORE A SEPARATE DETECTOR STAGE: EACH STAGE HAS TO BE SEPARATELY TUNED. THOUGHREQUIRING MULTIPLE TUNING CONTROLS AND A RELATIVELY LARGE NUMBER OF EXPENSIVE VACUUM TUBES, TRFS WERE MORE SELECTIVE, MORE SENSITIVE & LOUDER THAN COMPETING REGENERATIVE RECEIVERS. (REF. 1)
Area Notes: Unknown

Details

Markings: "Northern Electric Company/ LIMITED" marked on front panel. Controls & contacts labelled. "R3 RADIO RECEIVER/ PATENTED/ 1916 1917 1918/ 1919 1920 1921" stamped on underside of cabinet base. "R70- CONDENSER/ CAPACITY.001M.F./ PATENTED 1914/ NORTHERN ELECTRIC COMPANY LIMITED" printed on paper label inside cabinet.
Missing: UNKNOWN. From CA of 12/20/2001 by Matthew Bruce: No - appears complete
Finish: DARK WOOD CABINET HAS BLACK WOOD FRONT PANEL; BLACK MOULDED SYTHETIC KNOBS & TERMINAL POST CAPS. GLASS VACUUM TUBES HAVE PARTIALLY SILVERED SLEEVES. BLACK WOOD AND SYNTHETIC INTERNAL COMPONENTS & FITTINGS.
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

NORTHERN ELECTRIC CO. LTD., Receiver, radio, 1923, Artifact no. 2001.0347, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2001.0347.001/

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