Amplifier
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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://collections.ingeniumcanada.org/en/id/2001.0220.001/
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