Amplifier

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Ingenium, 2001.0302.001
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OBJECT TYPE: BATTERY
DATE: 1923
ARTIFACT NUMBER: 2001.0302.001

MANUFACTURER: Canadian Independent Telephone Co. Ltd.
MODEL: S
LOCATION: Toronto, Ontario, Canada

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOODEN (OAK ?) CABINET; SYNTHETIC & METAL COMPONENT PARTS & FITTINGS ARE VISIBLE.

Dimensions

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

Length: 23.3 cm
Width: 20.5 cm
Height: 28.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Independent
Country: Canada
State/Province: Ontario
City: Toronto

Context

Country: Canada
State/Province: Unknown
Period: THIS TYPE OF AMPLIFIER USED 1923+
Canada: EARLY AMPLIFIER MADE IN TORONTO, ON BY CANADIAN INDEPENDENT TELEPHONE CO. LTD. IN 1923. FOUNDED BY A HAMILTON BUSINESSMAN WILLIAM A. WOODS, 'CITCO.' WAS INCORPORATED TO MANUFACTURE AND SUPPLY EQUIPMENT TO SMALL INDEPENDENT TELEPHONE COMPANIES, MOST OF WHICH SERVED RURAL COMMUNITIES. (REF. 3) IN 1923 THIS SET (DETECTOR & AMPLIFIER) WAS ADVERTISED IN THE CANADIAN RADIO MAGAZINE 'RADIO' AS THE RECEIVER USED BY BRITISH PRIME MINISTER LLOYD GEORGE IN HIS CROSS-CANADA TRAIN TOUR. (REF. 3)
Function: USED TO INCREASE THE VOLUME OF INCOMING SIGNALS AT RADIO FREQUENCY BEFORE THEY HAVE BEEN RECTIFIED BY THE DETECTOR. (REF. 2)
Technical: EARLY 2-STAGE AUDIO AMPLIFIER. THIS MODEL AMPLIFIER WAS DESIGNED FOR USE WITH CITCO'S DETECTOR UNIT 'SC-10'. (REF. 3) (SEE 2001.0303)
Area Notes: Unknown

Details

Markings: "TWO-STEP/ AUDIO AMPLIFIER" printed on top front of panel. Plate on cabinet front reads "MADE BY/ CANADIAN INDEPENDENT TELEPHONE CO./ LIMITED/ TORONTO, CANADA/ LICENSEE UNDER PATENTS/ 135,303; 159,794; 169,332; 174,361; 181,500;181,501; 183,591; 207,099; 209,618; 209,619; 211,746; 216,359; 218,235; 218,237; 218,238; 218,473; AND OTHERS, AND PATENTS PENDING." "de Forest/ PATENTS" printed in lower right of front panel. All controls, connections, etc. labelled.
Missing: RESTORED; SOME REPRODUCTION PARTS. (REF. 1) From CA of 12/18/2001 by Matthew Bruce: No - appears complete
Finish: DARK OAK (?) CABINET HAS BLACK FRONT PANEL AND BLACK MOULDED SYNTHETIC KNOBS.
Decoration: N/A

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

Canadian Independent Telephone Co. Ltd., Amplifier, 1923, Artifact no. 2001.0302, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2001.0302.001/

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