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
Esta é unha reproducción fotográfica fiel dunha obra de arte bidimensional no dominio público. A obra de arte en si mesma atópase no dominio público polo seguinte motivo:
Public domainPublic domainfalsefalse
Este material está no dominio público nos demais países onde os dereitos de autor se estenden por 70 anos (ou menos) trala morte do autor.
Debe incluír tamén unha etiqueta de dominio público dos Estados Unidos para indicar por que esta obra se atopa no dominio público nos Estados Unidos. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
A posición oficial da Fundación Wikimedia é que "as reproducións fieis de obras de arte bidimensionais no dominio público atópanse en si mesmas no dominio público". Esta reprodución fotográfica considérase polo tanto no dominio público. Noutras xurisdicións a reutilización deste contido pode estar rextrinxida; vexa Reutilización de fotografías PD-Art para máis información.
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
Este ficheiro contén información adicional, probablemente engadida pola cámara dixital ou polo escáner usado para crear ou dixitalizar a imaxe. Se o ficheiro orixinal foi modificado, poida que algúns detalles non se reflictan no ficheiro modificado.