Amplifier

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Ingenium, 2001.0220.001
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OBJECT TYPE: BATTERY/TUBE/TABLE
DATE: 1924
ARTIFACT NUMBER: 2001.0220.001

MANUFACTURER: Canadian Westinghouse Co.
MODEL: RADIOLA III BALANCED AMPLIFIER
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: WOOD CABINET; SYNTHETIC, METAL & GLASS COMPONENT PARTS & FITTINGS. FABRIC COVERED CABLES.

Dimensions

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

Length: 16.7 cm
Width: 14.3 cm
Height: 17.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

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

Context

Country: Canada
State/Province: Unknown
Period: THIS TYPE OF AMPLIFIER USED EARLY 1920S+.
Canada: EARLY BALANCED AMPLIFIER MADE IN CANADA BY CANADIAN WESTINGHOUSE CO., HAMILTON ON IN 1924.
Function: USED TO INCREASE THE VOLUME OF INCOMING SIGNALS AT RADIO FREQUENCY BEFORE THEY HAVE BEEN RECTIFIED BY THE DETECTOR. (REF. 2)
Technical: EXAMPLE OF EARLY SINGLE-STAGE BALANCED AMPLIFIER DESIGNED TO REDUCE OR ELIMINATE INTERFERENCE BY REDUCING THE AMPLIFICATION OF UNDESIRED RADIO SIGNALS WHILE PERMITTING FULL AMPLIFICATION OF DESIRED SIGNALS. (REF. 2)
Area Notes: Unknown

Details

Markings: Decal on cabinet front has been damaged, and is only partialyy legible; reads "Radiola III/ Balanced Amplifier/ PATENTED 1915, 1917, 1920, 1921, 1922/ Licensed only for Amateur Experimental [and]/ Entertainment use./ CANADIAN WESTINGHOUSE CO. [text damaged]/ HAMILTON, CANADA ". "Radiola Balanced Amplifier" marked on top. panel. All controls, etc. labelled. "-C", "-B+A& GND" and "+C-A" stemped into connectors on cables. 1 vacuum tube marked "RADIOTRON WD-11/ PATENTED" in raised text on underside of base. 2nd tube marked "WD/ 11" on tube top.
Missing: APPEARS COMPLETE. From CA of 12/21/2001 by Matthew Bruce: No - appears complete
Finish: DARK WOOD CABINET. BLACK SYNTHETIC PANELS BEARS GOLDTONE MARKINGS AND SILVER METAL INDICATOR ARM, AND MINOR FITTINGS. BLACK MOULDED SYNTHETIC KNOB. 2 GLASS VACUUM TUBES VISIBLE. CABLES COVERED WITH BLACK AND BLACK & OFF-WHITE WOVEN FABRIC.
Decoration: N/A

CITE THIS OBJECT

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

Canadian Westinghouse Co., Amplifier, 1924, Artifact no. 2001.0220, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2001.0220.001/

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