Fasciculus:Coolidge_xray_tube.jpg
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Mensura huius perspectionis: 800 × 306 elementa imaginalia. Aliae mensurae: 320 × 123 elementa imaginalia | 1 076 × 412 elementa imaginalia.
Sua resolutio (1 076 × 412 elementa imaginalia, magnitudo fasciculi: 116 chiliocteti, typus MIME: image/jpeg)
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X-ray glasses funt
Summarium
DescriptioCoolidge xray tube.jpg | Photo of a Coolidge x-ray tube, from the early 1900s. The cathode is on the left, heated by a separate current passing through a filament, which releases electrons into the tube. The anode target is on the right. A high voltage of several thousand volts applied between the cathode and anode accelerates the electrons into a beam which strikes the anode, generating x-rays. The surface of the anode is angled so the x-rays are emitted in a downward direction, through the side of the tube. Alterations: rotated image 90° clockwise, cropped out frame |
Datum | |
Fons | Downloaded from Daniel Frost Comstock & Leonard T. Troland (1917) The Nature of Matter and Electricity: An Outline of Modern Views, D. Van Nostrand Co., New York, p.190, Plate 5 on Google Books |
Auctor | Daniel Frost Comstock |
Permissio (Reusing this file) |
Public domain - published in USA before 1923 |
Potestas usoris
Public domainPublic domainfalsefalse |
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.
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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.
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Items portrayed in this file
depicts Anglica
1917
media type Anglica
image/jpeg
checksum Anglica
773f47339f0147b182b7fc6ca8b5b308688248ac
data size Anglica
118 317 byte
412 pixel
1 076 pixel
Historia fasciculi
Presso die vel tempore fasciculum videbis, sicut tunc temporis apparuit.
Dies/Tempus | Minutio | Dimensiones | Usor | Sententia | |
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recentissima | 03:58, 24 Decembris 2007 | 1 076 × 412 (116 chiliocteti) | Chetvorno | {{Information |Description=Photo of a Coolidge x-ray tube, from the early 1900s. Alterations: rotated image 90° clockwise, cropped out frame |Source=Downloaded from [http://books.google.com/books?id=jQA4AAAAMAAJ&pg=PA190 Daniel Frost Comstock & Leonard |
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Hic fasciculus alias res continet, saepius a machina originatore additas, et (si fasciculus postea recensus sit) fortasse corrigendas.
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