Amplifier & null detector
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1974.0234.001
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- OBJECT TYPE
- N/A
- DATE
- 1956
- ARTIFACT NUMBER
- 1974.0234.001
- MANUFACTURER
- Philbrick, George A. Researchers Inc.
- MODEL
- 1231-B/ 1231-P5
- LOCATION
- Boston, Massachusetts, United States of America
More Information
General Information
- Serial #
- 2537
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- Predominantly metal with synthetic knobs, components and cables. A glass window is present on the front.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- N/A
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Computing Technology
- Category
- Analog computing devices
- Sub-Category
- N/A
Manufacturer
- AKA
- Philbrick
- Country
- United States of America
- State/Province
- Massachusetts
- City
- Boston
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
Unknown - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- Front panel: "AMPLIFIER/ AND NULL DETECTOR/ TYPE NO. SERIAL NO./ 1231-B 2537/ GENERAL RADIO CO./ CAMBRIDGE MASS. U.S.A.", "NRE", "FILTER/ TYPE NO. SERIAL NO./ 1231-P5 2196/ GENERAL RADIO CO./ CAMBRIDGE MASS. U.S.A.", various markings denoting knob functions and scales.
- Missing
- N/A
- Finish
- Front has a satin black crinkle finish with satin black knobs, white markings and text. Grey bare metal finished connectors are present on the front, as is a white dial with black markings. The back has a grey bare metal finish.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Philbrick, George A. Researchers Inc., Amplifier & null detector, 1956, Artifact no. 1974.0234, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1974.0234.001/
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