File:Harold_Pitney_Brown_engineer_1857_1932.png
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Harold_Pitney_Brown_engineer_1857_1932.png (399 × 464 pixels, file size: 73 KB, MIME type: image/png)
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Summary
DescriptionHarold Pitney Brown engineer 1857 1932.png |
English: Harold Pitney Brown (1857-1944) was an American electrical engineer and inventor known for his personal crusade against the high voltage pole mounted alternating current lines in new York City (during the "War of Currents") as well as his involvement in the building of the first electric chair. |
Date | |
Source | Electric Railway Review, Volume 5 - 1895, pg 742 |
Author | Unknown authorUnknown author |
Licensing
Public domainPublic domainfalsefalse |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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1895
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:19, 13 November 2018 | 399 × 464 (73 KB) | Opencooper | fix thumbnail gamma | |
08:44, 2 January 2018 | 399 × 464 (69 KB) | Opencooper | FFT, and cleanup | ||
08:43, 2 January 2018 | 399 × 464 (86 KB) | Opencooper | recrop from Hathi Trust at proper DPI | ||
17:58, 10 May 2015 | 792 × 904 (237 KB) | Fountains of Bryn Mawr | User created page with UploadWizard |
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Horizontal resolution | 118.11 dpc |
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Vertical resolution | 118.11 dpc |
File change date and time | 15:18, 13 November 2018 |