This image was created by Chris 73. The image is licensed under a dual license; please choose either of the two licenses below as desired. Attribution to Wikipedia or another project of the Wikimedia foundation is required for both licenses if the image is used outside of projects of the Wikimedia foundation. Attribution to me is not required.

Caniateir copïo, rhyddhau ac/neu addasu'r ddogfen hon yn ôl termau'r drwydded GNU Free Documentation License, Fersiwn 1.3 neu unrhyw fersiwn diweddarach a gyhoeddwyd gan y Free Software Foundation; heb ddim Adrannau Di-syfl, dim Testunau Clawr Blaen, a dim Testunau Clawr Cefn. Cynhwysir copi o'r drwydded hon yn yr adran GNU Free Documentation License. www.gnu.org/licenses/fdl-1.3.htmlGFDL 1.3GNU Free Documentation License 1.3truetrue

Trwyddedir y ffeil hon yn ôl termau'r drwydded Creative Commons Attribution-Share Alike 3.0 Unported.

Cydnabyddiaeth: Chris 73 / Wikimedia Commons

Mae'n rhydd i chi:

• rhannu – gallwch gopïo, dosbarthu a throsglwyddo'r gwaith
• ailwampio – gallwch addasu'r gwaith

Ar yr amodau canlynol:

• cydnabyddiaeth – Mae'n rhaid i chi nodi manylion y gwaith hwn, rhoi dolen i'r drwydded, a nodi os y bu golygu arni, yn y modd a benwyd gan yr awdur neu'r trwyddedwr (ond heb awgrymu o gwbl eu bod yn eich cymeradwyo chi na'ch defnydd o'r gwaith).
• rhannu ar dermau tebyg – Os byddwch yn addasu'r gwaith hwn, neu yn ei drawsnewid, neu yn adeiladu arno, mae'n rhaid i chi ddosbarthu'r gwaith dan drwydded sy'n union yr un fath same a'r gwreiddiol.

https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue

"I want to use the image. How do I do that?"

You can use this image freely for any purpose, including commercial use, provided that you license it under one of the above licenses. My suggestion is to use the following text:

This Wikipedia and Wikimedia Commons image is from the user Chris 73 and is freely available at //commons.wikimedia.org/wiki/File:Litography_negative_stone_and_positive_paper.jpg under the creative commons cc-by-sa 3.0 license.

For privacy reasons please use only "Chris 73" as author. If necessary, please translate the text in your language. For electronic use please include the links in the text as shown, for printed use please print the text as shown. If you use the image I would appreciate it if you would let me know on my talk page, but this is not required as long as you follow one of the above licenses.