Amplifier

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Ingenium, 1970.0256.001
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OBJECT TYPE: TELEPHONE/3 TUBE UNIT
DATE: 1957
ARTIFACT NUMBER: 1970.0256.001

MANUFACTURER: Western Electric Co.
MODEL: 8-C
LOCATION: Chicago, Illinois, United States of America

More Information

General Information

Serial #: 03-4-197
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL BODY/ BRASS & BAKELITE DIALS/ SMALL WOODEN BOX ATTACHED TO TOP COMPLETE WITH 2 HINGED WOODEN COVERS/ 2 BRASS HOOKS & EYES/COPPER COILS/ STEEL, BRASS & BAKELITE INNER MECHANISM/ COTTON WRAPPED WIRE

Dimensions

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

Length: 48.3 cm
Width: 35.5 cm
Height: 28.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Western Electric
Country: United States of America
State/Province: Illinois
City: Chicago

Context

Country: Canada
State/Province: Unknown
Period: CIRCA 1957
Canada: USED BY CBC RADIO, CANADA
Function: TO AMPLIFY RADIO PROGRAMS ON TELEPHONE LINES
Technical: Unknown
Area Notes: Unknown

Details

Markings: BRASS PLATE READS: `TRADEMARK/ WESTERN ELECTRIC/ REG US PAT OFF/ 8-C AMPLIFIER', FOLLOWED BY PATENT NUMBERS, & ‘MADE IN USA'/ ENGRAVED INTO THE LEFT TOP SURFACE OF METAL BODY IS: ‘D44470-5'/ STAMPED IN RED ON ONE OF THE EXTERIOR BOXES IS: ‘25-B POTENTIOMETER/ PATENT 1448578'; ENGRAVED ON THE JACKS OF THIS BOX IS: ‘PAT IN USA JAN 26 15' & ‘303A/ 248A/ 232A'/ STAMPED IN WHITE ON THE RETARD COILS OF THE SECOND EXTERIOR BOX IS: ‘141A RET L3', ‘RET 71B L4' & ‘RET 109A L5'/ ENGRAVED INTERIOR MARKINGS: CONDENSORS: ‘57 AL 25 MF CON 1', ‘57 AK COND CON 2', ‘57 AF 1 MF CON 3', ‘57B 1 MF CON 4' (CON 8 IS THE SAME AS CON 4), & ‘57A 2 MF CON 5' (CON 6 & 7 ARE THE SAME AS CON 5); INPUT TRANSMITTERS (T1), (T3), & (T4): ‘243A'; OUTPUT TRANSMITTER (T2): ‘131A'; RETARD COIL (L1) & (L2): ‘140A'; SOCKET: ‘PAT. IN U.S. DEC. 23 1919'/ STAMPED IN WHITE ON SOCKET (V1 & V2) IS: ‘PATENT/ 1401121/ PAT. PEND.', ‘129-B'/ INTERIOR BLUE, RED, GOLD & WHITE DECAL READS: ‘SERIAL NO./ 03-4-197/ PROPERTY OF CBC/ RADIO CANADA (GLOBE SHOWING CANADA)'/ INTERIOR RETARD COIL (L1) DECAL, GOLD BACKGROUND WITH BLACK BORDER & LETTERING, READS: ‘TRADE MARK/ Western Electric/ REG. U.S. PAT. OFF. PATENT 1604996/ MADE IN U.S.A.'
Missing: 3 VACUUM TUBES
Finish: METAL & WOOD BODY PAINTED BLACK/ BEIGE PAINTED DIAL INSTRUCTIONS ON BAKELITE & METAL PLATES
Decoration: DOVE-TAILED BOX/ INTERIOR DECALS/ SEE SUPP INFO

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Western Electric Co., Amplifier, circa 1957, Artifact no. 1970.0256, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1970.0256.001/

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