Receiver, radio

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OBJECT TYPE: REGENERATIVE/BATTERY/TUBE/TABLE
DATE: 1924
ARTIFACT NUMBER: 2001.0219.001

MANUFACTURER: Canadian Westinghouse Co. Ltd.
MODEL: RADIOLA III
LOCATION: Hamilton, Ontario, 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 BATTERY CONNECTION CORDS.

Dimensions

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

Length: 20.0 cm
Width: 17.0 cm
Height: 18.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Westinghouse
Country: Canada
State/Province: Ontario
City: Hamilton

Context

Country: Canada
State/Province: Unknown
Period: THIS TYPE OF RADIO USED EARLY 1920S+
Canada: EARLY REGENERATIVE RADIO RECEIVER MADE IN HAMILTON, ON BY CANADIAN WESTINGHOUSE CO. LTD., IN 1924.
Function: TO DETECT AND AMPLIFY RADIO SIGNALS.
Technical: REGENERATIVE RADIO RECEIVER HAS DETECTOR AND SINGLE AUDIO STAGE. INTRODUCED IN THEEARLY 1920S, AS AN ALTERNATIVE TO CRYSTAL SETS, REGENERATIVE RECEIVERS EMPLOYED A VACUUM TUBE TO BOTH DEMODULATE OR DETECT THE RADIO SIGNAL, AND TO PROVIDE AMPLIFICATION. CAREFUL CONTROL OF THE LEVEL OF AMPLIFICATION WAS NECESSARY TO PREVENT OSCILLATION OF VACUUM TUBES. POWER OUTPUT WAS INSUFFICIENT TO DRIVE A LOUDSPEAKER.(1)
Area Notes: Unknown

Details

Markings: Decal on front of cabinet reads "Radiola III/ Regenerative Receiver/ PATENTED 1917, 1918, 1921, 1922/ Licensed only for Amateur Experimental and/ Entertainment use./ CANADIAN/ Westinghouse/ CO. LIMITED/ HAMILTON, CANADA/ GX". "[Westinghouse logo]/ Radiola III" marked on top panel. All controls, etc. labelled. "+20B", "-C", "+C -A", "+40B", and "-B+A&GND" stamped into connectors on cables. 1 vacuum tube marked "WESTINGHOUSE/ W/ WD-11" on top; "RADIOTRON WD-11/ PATENTED" cast in raised print on underside of base. 2nd tube identical save top marked "WESTINGHOUSE/ WD-11".
Missing: UNKNOWN. From CA of 12/21/2001 by Matthew Bruce: No - appears complete
Finish: DARK WOOD CABINET. BLACK SYNTHETIC PANEL BEARS OFF-WHITE MARKINGS AND BRIGHT SILVER-METAL INDICATORS, CONNECTORS, ETC. BLACK MOULDED SYNTHETIC KNOBS. 2 GLASS VACUUM TUBES VISIBLE. BATTERY CONNECTION CORDS COVERED WITH BLACK AND BLACK & OFF-WHITE WOVEN FABRIC.
Decoration: N/A

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

Canadian Westinghouse Co. Ltd., Receiver, radio, 1924, Artifact no. 2001.0219, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2001.0219.001/

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