Fáìlì:Autograph of Heinrich Hertz.png

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Autograph_of_Heinrich_Hertz.png(416 × 206 pixel, ìtóbi faili: 9 KB, irú MIME: image/png)

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Ìjúwe This is Heinrich Rudolf Hertz's autograph, from Oliver Heaviside: Sage in Solitude (ISBN 0-87942-238-6), p. 111. The image is reprinted courtesy of the Burndy Library (as stated in the credits in the back of the book, p. 318), but its age implies that it's public domain. (It must have been made in 1894 or earlier.) It was scanned on an Epson Perfection 1250 at 400dpi, cleaned up (some text was showing through the back) in Photoshop, reduced to indexed grayscale, and saved as PNG using the 'Save for Web' optimizer.
Ọjọ́ọdún circa 1894
date QS:P,+1894-00-00T00:00:00Z/9,P1480,Q5727902
  • 28 Oṣù Keje 2004 (original upload date)
Orísun Transferred from en.wikipedia to Commons.
Olùdá

Heinrich Rudolf Hertz

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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2004-07-28 00:51 Grendelkhan 416×206×8 (8905 bytes) This is Heinrich Rudolf Hertz's autograph, from ''Oliver Heaviside: Sage in Solitude'' ({{ISBN|0-87942-238-6}}), p. 111. The image is reprinted courtesy of the Burndy Library (as stated in the credits in the back of the book, p. 318), but its age implies that

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Public domain

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depicts Èdè Gẹ̀ẹ́sì

28 Oṣù Keje 2004

MIME type Èdè Gẹ̀ẹ́sì

image/png

checksum Èdè Gẹ̀ẹ́sì

d71a5ba29a38fa781aae6ae78c74d7bdc336f801

determination method Èdè Gẹ̀ẹ́sì: SHA-1 Èdè Gẹ̀ẹ́sì

data size Èdè Gẹ̀ẹ́sì

8,905 byte

height Èdè Gẹ̀ẹ́sì

206 pixel

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416 pixel

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