File:DuMont 164 Oscillograph 1939-40 (edited).jpg
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Summary[edit]
DescriptionDuMont 164 Oscillograph 1939-40 (edited).jpg |
English: DuMont was a leading manufacturer of cathode ray tubes and oscilloscopes (oscillographs) from the 1930's until the mid 1950's. |
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Own work (Original text: Picture of my collection) |
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Author | Engradio | |||||
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Licensing[edit]
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Original upload log[edit]
Transferred from en.wikipedia to Commons by Kelly using CommonsHelper.
- 2013-02-08 04:21 Engradio 2592×3872× (2599812 bytes) Uploading a self-made file using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:49, 28 December 2022 | 1,900 × 2,900 (1.85 MB) | Pittigrilli (talk | contribs) | removed background, cropped, corrected perspective | |
01:48, 28 December 2022 | 1,963 × 2,900 (2.65 MB) | Pittigrilli (talk | contribs) | File:DuMont 164 Oscillograph 1939-40.jpg cropped 7 % horizontally using CropTool with precise mode. |
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