Monitor, frequency deviation
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1986.0540.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- OBJECT TYPE
- N/A
- DATE
- 1945–1957
- ARTIFACT NUMBER
- 1986.0540.001
- MANUFACTURER
- General Radio Co.
- MODEL
- 1181-A
- LOCATION
- Cambridge, Massachusetts, United States of America
More Information
General Information
- Serial #
- 1396
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL CABINET/ METAL & SYNTHETIC KNOBS/ GLASS DIAL COVER/ METAL, GLASS & SYNTHETIC WORKING PARTS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 48.2 cm
- Width
- 34.4 cm
- Height
- 40.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Radio
- Sub-Category
- N/A
Manufacturer
- AKA
- General Radio
- Country
- United States of America
- State/Province
- Massachusetts
- City
- Cambridge
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- 1940s & 1950s
- Canada
-
USED IN CANADA - Function
-
TO INDICATE DIRECTLY THE MAGNITUDE & DIRECTION OF THE FREQUENCY DEVIATION OF A BROADCAST TRANSMITTER FROM ITS ASSIGNED CHANNEL FREQUENCY. - Technical
-
SHOWS THE TYPE OF EQUIPMENT & LEVEL OF ACCURACY ACHIEVED IN THIS TIME PERIOD. - Area Notes
-
Unknown
Details
- Markings
- MFR'S PLATE; 'FREQUENCY DEVIATION MONITOR/ TYPE NO. 1181-A SERIAL NO. 1396/ GR [LOGO]/ GENERAL RADIO CO./ CAMBRIDGE MASS., U.S.A./ SEE LICENSE NOTICE/ U.S. PATENTS:/ 1,967,185 2,298,177 2,362,503'/ PRINTED ON FRONT PANEL: 'ZERO SET/ CHECK CRYSTAL/ SIGNAL/ HEAT/ MONITOR/ POWER/ OFF OFF/ OSC CURRENT/ TEL.'/ DIAL ON FRONT READS: 'WESTON ELEC. INST. CORP. NEWARK,N.J., U.S.A./ CYCLES PER SECOND/ LOW HIGH/ GENERAL RADIO CO./ M'F'D. BY WESTON/ MODEL891 G.R. MEDS-13'/ PLATE & PRINTING ON BACK READS: '115 VOLTS/ 50-60 ~/ HEAT/ MONITOR/ EXT METER/ R.F. INPUT'/ STICKER ON BACK OF CABINET: ‘THIS APPARATUS USES INVENTIONS OF UNITED/ STATES PATENTS LICENSED BY RADIO/ CORPORATION OF AMERICA. PATENT NUMBERS/ SUPPLIED UPON REQUEST. LICENSED ONLY FOR OR/ FOR USE IN MEASURING OR TESTING ELECTRONIC/ DEVCIES, ELECTRON TUBE CIRCUITS, PARTS OF/ SUCH DEVICES AND CIRCUITS, AND ELEMENTS/ FOR USE IN SUCH DEVICES AND CIRCUITS.'
- Missing
- N/A
- Finish
- CRINKED FRONT PANEL PAINTED BLACK/ WHITE & BLACK PRINTING
- Decoration
- SYMMETRICAL PLACING OF DIAL & KNOBS/ LOGO ON MFR'S PLATE.
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
General Radio Co., Monitor, frequency deviation, between 1945–1957, Artifact no. 1986.0540, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1986.0540.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
![...](https://files.ingeniumcanada.org/items/coll/49/438/1985-0592-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/137/1986-0541-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/439/1985-0591-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/101/703/1971-0026-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/101/063/1971-0258-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/74/140/1996-0285-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/39/784/1981-1837-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/295/1985-0680-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/91/743/1968-0532-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/39/785/1981-1836-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/911/1986-0719-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/289/245/1969-0729-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/659/1966-0583-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/554/1988-0234-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/55/725/1987-0439-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/106/662/1974-0538-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/977/1986-0678-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/91/943/1968-0431-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/98/613/1970-0250-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/81/697/2001-0316-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/573/1988-0225-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/136/1986-0542-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/106/954/1974-0374-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/61/399/1990-0021-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/54/735/1987-0919-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/134/453/1992-1599-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/45/834/1983-0166-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/051/1969-0754-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/978/1986-0677-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/74/138/1996-0286-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/91/710/1968-0533-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/106/473/1974-0614-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/101/689/1971-0040-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/796/1989-0140-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/81/650/2001-0352-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/48/581/1984-0091-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/38/911/1980-0394-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/545/1985-0546-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/884/1986-0740-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/78/764/1998-0125-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/101/061/1971-0259-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/304/810/1974-0235-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/304/809/1974-0234-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/44/632/1982-0051-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/074/1988-0007-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/310/520/1987-0960-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/886/1986-0738-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/76/061/1997-0375-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/525/1969-0656-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/54/385/1987-1063-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/38/921/1980-0385-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/546/1985-0545-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/40/028/1981-1679-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/48/577/1984-0095-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/134/1986-0544-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/370/1988-0316-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/874/1986-0745-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/503/1992-1591-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/551/1988-0236-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/38/922/1980-0384-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/208/1988-0386-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/173/1988-0401-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/70/061/1995-1575-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/67/772/1993-0224-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/54/384/1987-1064-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/70/059/1995-1576-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/99/027/1970-0150-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/896/1986-0729-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/81/723/2001-0301-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/54/730/1987-0922-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/489/1992-1598-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/69/190/1994-0239-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/326/1988-0347-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/97/998/1970-0483-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/055/1993-0081-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/66/336/1992-0356-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/874/1992-1389-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/213/1986-0511-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/550/1988-0237-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/689/1966-0554-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/636/1966-0601-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/54/594/1987-0970-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/565/1988-0231-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/74/253/1996-0242-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/481/1988-0270-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/421/1988-0297-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/552/1988-0235-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/74/142/1996-0284-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/105/103/1973-0420-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/203/1988-0387-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/959/1985-0369-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/174/1993-0013-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/81/696/2001-0317-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/638/1966-0599-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/369/1988-0317-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/81/664/2001-0343-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/792/1989-0143-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/38/924/1980-0383-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/176/765/1981-0102-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/74/065/1996-0329-001-aa-cs.jpeg)