This is Lord Rayleigh (1842-1919), from Oliver Heaviside: Sage in Solitude (ISBN0-87942-238-6), p. 38. This is a reproduction of a steel engraving originally published in The Electrician, 1893. It was scanned on an Epson Perfection 1250 at 400dpi, cleaned up (some text was showing through the back) in Photoshop, reduced to grayscale, and saved as JPG using the 'Save for Web' optimizer.
Source
The Electrician (scanned)
License
This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
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00:48, 28 Jul 2004 . . Grendelkhan (98283 bytes) (This is Lord Rayleigh (1842-1919), from ''Oliver Heaviside: Sage in Solitude'' ({{ISBN|0-87942-238-6}}), p. 38. This is a reproduction of a steel engraving originally published in ''The Electrician'', 1893. It was scanned on an Epson Perfection 1250 at 400dpi)
5 mai 2005 à 19:14 . . Lozère (98283 octets) (This is Lord Rayleigh (1842-1919), from ''Oliver Heaviside: Sage in Solitude'' ({{ISBN|0-87942-238-6}}), p. 38. This is a reproduction of a steel engraving originally published in ''The Electrician'', 1893. It was scanned on an Epson Perfection 1250 at 400dpi)
;Description :This is Lord Rayleigh (1842-1919), from ''Oliver Heaviside: Sage in Solitude'' (ISBN 0-87942-238-6), p. 38. This is a reproduction of a steel engraving originally published in ''The Electrician'', 1893. It was scanned on an Epson Perfection