維基百科

File:Lord Kelvin photograph.jpg

原本檔案 ‎（939 × 1,176 像素，檔案大細：71 KB ，MIME類型：image/jpeg）

摘要

描述
English: Photograph of William Thomson, Lord Kelvin.
日期 First published Photographische Gesellschaft, Berlin
來源 Portrait of William Thomson, Baron Kelvin, Smithsonian Libraries
作者 "Photo by Messrs. Dickinson, London, New Bond Street" (according to http://www.sil.si.edu/DigitalCollections/hst/scientific-identity/fullsize/SIL14-T002-07a.jpg)
Other versions

協議

Public domain

呢個作品喺來源國同埋其他版權期限係作者過身後70年或以下嘅國家同地區屬於公有領域。

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. 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).

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

{{PD-because|"

Public domain
This file is in the public domain because Smithsonian Libraries declares it "No Copyright - United States"

This template must not be used to dedicate an uploader's own work to the public domain; CC0 should be used instead.

This work must carry justifications for free usability in both the United States and its country of origin.

檔案歷史

撳個日期／時間去睇響嗰個時間出現過嘅檔案。

日期／時間縮圖尺寸用戶註解
現時2010年11月7號 (日) 20:47響2010年11月7號 (日) 20:47嘅縮圖版本939 × 1,176（71 KB）QuibikRemoved some JPEG artifacts, removed a vertical line, increased contrast.
2010年7月16號 (五) 16:17響2010年7月16號 (五) 16:17嘅縮圖版本939 × 1,176（36 KB）LobStoRlossless crop from source JPEG image, "lossless" reduction from 24-bit RGB to 8-bit greyscale
2005年10月17號 (一) 23:06響2005年10月17號 (一) 23:06嘅縮圖版本944 × 1,180（386 KB）Fastfission~commonswikiPhotograph of William Thomson, Lord Kelvin. ==Licensing== *Image source: http://www.sil.si.edu/digitalcollections/hst/scientific-identity/CF/display_results.cfm?alpha_sort=k *Licensing: PD because of age (Kelvin himself died in 1907; seems very unli

以下嘅1版用到呢個檔：

全域檔案使用情況

下面嘅維基都用緊呢個檔案：

睇呢個檔案嘅更多全域使用情況。

Metadata

呢個檔案有額外嘅資料。佢應該係數碼相機或者掃描器整出來嘅。如果佢整咗之後畀人改過，裏面嘅資料未必同改過之後相符。

由「https://zh-yue.wikipedia.org/wiki/File:Lord_Kelvin_photograph.jpg」收