Image:Autograph of Heinrich Hertz.png

Autograph_of_Heinrich_Hertz.png‎ (9KB, MIME type: image/png)

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[edit] Beschreibung

Description	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.
Source	Originally from en.wikipedia; description page is/was here.
Date	2004-07-28 (original upload date)
Author	Original uploader was Grendelkhan at en.wikipedia
Permission	PD-OLD.

(All 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

This image (or other media file) is in the public domain because its copyright has expired.

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