Amplifier
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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
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
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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