Receiver, radio

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OBJECT TYPE: TRF/AC/TUBE/TABLE
DATE: 1927
ARTIFACT NUMBER: 2001.0313.001

MANUFACTURER: Rogers
MODEL: BATTERYLESS 250
LOCATION: Unknown

More Information

General Information

Serial #: 5180
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD CABINET; METAL, GLASS & SYNTHETIC COMPONENT PARTS & FITTINGS. FABRIC COVERING ON WINDING WIRES.

Dimensions

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

Length: 61.5 cm
Width: 36.0 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: Rogers
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: THIS TYPE OF RECEIVER USED 1927+
Canada: THIS TYPE OF RECEIVER MFD AND SOLD IN CANADA IN 1927.
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. THOUGH REQUIRING 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: "ROGERS/ BATTERYLESS/ A/C" appears on plate fixed to receiver front. Tuning scales & voltage indicator meter scale labelled. "5" stamped into back of cabinet. Plate on inside of lid reads "PATENTED/ 1916-17-18-19-20-21-22-23-24-25"/ MANUFACTURED BY/ STANDARD RADIO MFG. CORPN./ LIMITED/ TORONTO./ TYPE R-250/ SERIAL NO. 5180". Plate on chassis reads "TYPE R-220/ SERIAL NO. 635/ H.E.P.C APP. NO. 1336/ VOLTAGE 110 FREQUENCY 25-60/ MANUFACTURED BY/ STANDARD RADIO MFG., CORP., LTD./ TORONTO, ONT." Decal on chassis reads "LICENSED FOR USE WITH/ LONG LIFE RECTIFYING TUBE/ TYPE BH/ Raytheon/ 85 [text damaged]".
Missing: CABINET REFINISHED WITHOUT STAIN. From CA of 12/19/2001 by Matthew Bruce: No - appears complete
Finish: DARK WOOD CABINET HAS DULL COPPER-COLOUR METAL MFR'S PLATE & DARK BROWN MOULDED SYNTHETIC KNOBS FIXED TO FRONT. OPAQUE SYNTHETIC 'WINDOW' FIXED OVER EACH TUNING DIAL FACE. DARK BROWN PAINTED FINISH ON CHASSIS. CLEAR GLASS VACUUM TUBES HAVE SOME SILVERED AREAS. GREEN FABRIC COVERING ON WINDING WIRES.
Decoration: N/A

CITE THIS OBJECT

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

Rogers, Receiver, radio, 1927, Artifact no. 2001.0313, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/2001.0313.001/

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