Fayl:CGKilogram.jpg

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A computer-generated image of the International Prototype kilogram (IPK), which is made from an alloy of 90% platinum and 10% iridium (by weight) and machined into a right-circular cylinder (height = diameter) of 39.17 mm. The IPK is kept at the Bureau International des Poids et Mesures (International Bureau of Weights and Measures) in Sèvres on the outskirts of Paris.

The geometry of this computer model was based on the actual specifications being used for experiments in new manufacturing techniques to produce new kilogram mass standards.

Solid model and ray-traced image was created using Cobalt CAD software.

This image was provided by the contributor because of the dearth of uncopyrighted photographs of the actual IPK. This is expected to be a chronic limitation given that…

  1. the IPK is stored in a vault nearly all the time,
  2. there is no general public access to the BIPM (and certainly none to the vault),
  3. and working copies of the IPK are used at the BIPM for routine calibrations for years on-end.
Sanasi Uploaded August 10, 2007
Manba Originally uploaded to English Wikipedia as CGKilogram.jpg
Muallif en:User:Greg L
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atribut bir xil ulashish 		Bu fayl Creative Commons asosida litsenziyalangan Attribution- Share Alike 3.0 Unported litsenziyasi. Subject to disclaimers.
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  • remiks qilishga – ishni moslashtirishga
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  • atribut – Siz tegishli litsenziyaga havolani taqdim etishingiz va oʻzgartirishlar kiritilganligini koʻrsatishingiz kerak. Siz buni har qanday oqilona yoʻl bilan qilishingiz mumkin, lekin litsenziar Sizni yoki Sizning foydalanishingizni ma'qullashini taklif qiladigan tarzda emas.
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This licensing tag was added to this file as part of the GFDL licensing update.
GNU head Ushbu hujjatdan nusxa ko‘chirish, tarqatish va/yoki o‘zgartirish uchun GNU Erkin guvohnoma litsenziyasi (GNU Free Documentation License), 1.2 va har qanday keyingi versiyalar shartlariga muvofiq ruxsat berilgan yoki Ochiq kodli dasturlar jamiyati (Free Software Foundation) tomonidan chop etilgan; oʻzgarmas boʻlimlarsiz, oldingi muqova matnlari va orqa muqova matnlarisiz. Litsenziya nusxasi GNU Erkin guvohnoma litsenziyasi (GNU Free Documentation License) boʻlimiga kiritilgan. Subject to disclaimers.

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  • 19:00, August 10, 2007 . Greg L . 1400×1024 (535,748 bytes)
  • 08:30, August 10, 2007 . Greg L . 1024×740 (128,856 bytes) (A computer-generated image of the international prototype of the kilogram, which is made from an alloy of 90% platinum and 10% iridium (by weight) and machined into a right-circular cylinder (height = diameter) of [[1 E-2 m|39 )

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Sana/VaqtMiniaturaOʻlchamlariFoydalanuvchiIzoh
joriy21:49, 5-Iyun 201721:49, 5-Iyun 2017 dagi versiya uchun tasvir1 400 × 1 024 (590 KB)GnashOptimized file size.
16:53, 20-Oktyabr 200916:53, 20-Oktyabr 2009 dagi versiya uchun tasvir1 400 × 1 024 (608 KB)Greg A LPicture carefully tweaked in contrast, brightness, and color balance to better work with monitors that use PC gamma
23:31, 17-Oktyabr 200923:31, 17-Oktyabr 2009 dagi versiya uchun tasvir1 400 × 1 024 (557 KB)Greg A LChange from absolutely absurd, crap job of lightening by previous editor. To that editor: Create a NEW file and use that if you like. Do not change this one.
22:59, 17-Oktyabr 200922:59, 17-Oktyabr 2009 dagi versiya uchun tasvir800 × 585 (26 KB)Orion 8more light
14:32, 11-Avgust 200714:32, 11-Avgust 2007 dagi versiya uchun tasvir1 400 × 1 024 (523 KB)EPO{{Information |Description=A computer-generated image of the '''International Prototype''' '''kilogram''' (IPK), which is made from an alloy of 90% platinum and 10% iridium (by weight) and machined into a right-circular cylinder (height = diameter) of 39.

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