File:EF91 Mullard.jpg
Original file (3,960 × 4,390 pixels, file size: 4.65 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionEF91 Mullard.jpg |
English: EF91 Miniature RF pentode primarily intended for use as RF and IF amplifiers, or mixer valves in television receivers. The EF91 was almost the universal valve of the early 1950s.
The thin glass tube envelope is 17 mm in diameter and, excluding the B7G base pins, is 46 mm tall. Manufacturerː Mullard. |
Date | |
Source | Own work |
Author | Mister rf |
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This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: EF91 miniature RF pentode. You can see its nomination here. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:56, 28 April 2023 | 3,960 × 4,390 (4.65 MB) | Mister rf (talk | contribs) | Uploaded own work with UploadWizard |
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File usage on Commons
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Orientation | Normal |
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Software used | ACD Systems Digital Imaging |
File change date and time | 02:42, 29 April 2023 |
Y and C positioning | Centered |
DateTime subseconds | 961 |