اصل فائل(۲,۰۳۶ × ۲,۵۱۱ پکسلز, فائل حجم: ۲.۱۱ میگابائٹ, MIME type: image/jpeg)

ایہ فائل Wikimedia Commons توں اے تے دوجیاں ویونتاں تے وی ورتی جاسکدی اے۔ گل بات اس دے فائل گل بات صفحہ تے تھلے دتی گئی۔

خلاصہ

تفصیل
Español: En la esquina inferior derecha de esta placa fotográfica son marcados por los dos isótopos del neón: neón - 20 y neón - 22.
English: In the lower right corner of the photographic plate are the tracks left by two isotopes of neon: neon-20 and neon-22.
سروت "Positive Ray Parabolas". Isotopes. London, England: Edward Arnold Publishers Ltd, 1922. Digital file made available by Science History Institute, at https://digital.sciencehistory.org/works/79407z32j
لکھاری Francis William Aston

لائسنس –

This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason:
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Discovery_of_neon_isotopes.JPG

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exposure time English

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موجودہ۰۷:۳۰, ۲۴ جنوری ۲۰۲۳۰۷:۳۰, ۲۴ جنوری ۲۰۲۳ ویلے دے ورژن ساتھ انگوٹھاکار روپ۲,۰۳۶ × ۲,۵۱۱ (۲.۱۱ میگابائٹ)AvelludoHigher quality of complete source image; slightly digitally altered to remove other elements in the page
۲۰:۴۸, ۲۶ اکتوبر ۲۰۰۷۲۰:۴۸, ۲۶ اکتوبر ۲۰۰۷ ویلے دے ورژن ساتھ انگوٹھاکار روپ۲۱۱ × ۳۰۳ (۱۹ کلوبائٹ)Shade154~commonswikiEn la esquina inferior derecha de esta placa fotográfica son marcados por los dos isótopos del neón: neón - 20 y neón - 22.

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