هذا رسمٌ مُعَدَّلٌ رقميَّاً من النسخة الأصليَّة. التعديلات هي: gif to jpg.
ترخيص
حامل حقوق هذا الملف NASA/JPL-Caltech يسمح لأي كان باستخدامه لأي غرض، بشرط نسبة المصنف إلى حامل الحقوق. إعادة التوزيع، والأعمال المشتقة، والاستعمال التجاري، وجميع الاستعمالات الأخرى مسموح بها.
According to JPL's image use policy additional restriction is that no endorsement of any product or service by Caltech, JPL or NASA is claimed or implied.
Caltech's disclaimer: Caltech makes no representations or warranties with respect to ownership of copyrights in the images, and does not represent others who may claim to be authors or owners of copyright of any of the images, and makes no warranties as to the quality of the images. Caltech shall not be responsible for any loss or expenses resulting from the use of the images, and you release and hold Caltech harmless from all liability arising from such use.
Usage on the English Wikipedia: On the English Wikipedia you can use the {{JPL Image}} template to display the copyright notice. (See w:Wikipedia:Using JPL images for details)
Retrieved at [http://horology.jpl.nasa.gov/h_maser.html http://horology.jpl.nasa.gov/h_maser.html] by 21:59, 9 December 2005 (UTC) {{JPL Image Copyright}} (converted from .gif to .jpg)