EastHanSeismograph.JPG(480 × 552 piksel, fayl hajmi: 232 KB, MIME tipi: image/jpeg)

Ushbu fayl Vikiomborga yuklangan boʻlib, boshqa loyihalarda ham qoʻllanilishi mumkin. Uning tavsif sahifasidan olingan maʼlumot quyida keltirilgan.

Qisqa izoh

Taʼrif
English: A replica of an ancient Chinese Seismograph from Eastern Han Dynasty (25-220 CE).
This picture is taken from an exhibition at Chabot Space & Science Center in Oakland, California.
The plaque of the exhibit said:
Detecting a Quake
In 132 CE, after several earthquakes in China, astronomer Zhang Heng invented this instrument to warn people of the next one. When the ground shook, it moved a pendulum inside the jug. The pendulum pushed a lever that opened one dragon's mouth. A ball rolled out and into the toad's mouth below, sounding an alarm. The open dragon mouth pointed in the direction of the earthquake, notifying the Emperor.
Sanasi
Manba en:File:EastHanSeismograph.JPG
Muallif en:user: Kowloonese

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Original upload log

The original description page was here. All following user names refer to en.wikipedia.

Upload date | User | Dimensions | Comment
04:08, 12 July 2004 |480 × 585 (87 KB) | Kowloonese (talk | contribs) | Ancient Chinese Siesmograph from Eastern Han Dynasty

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tasvirlangan ob'ekt

exposure time inglizcha

0.03333333333333333333 soniya

f-number inglizcha

2,8

focal length inglizcha

8 millimetr

ISO speed inglizcha

320

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Fayl tarixi

Faylning biror paytdagi holatini koʻrish uchun tegishli sana/vaqtga bosingiz.

Sana/VaqtMiniaturaOʻlchamlariFoydalanuvchiIzoh
joriy13:10, 10-Yanvar 201413:10, 10-Yanvar 2014 dagi versiya uchun tasvir480 × 552 (232 KB)SoerfmLevels, crop
13:10, 10-Yanvar 201413:10, 10-Yanvar 2014 dagi versiya uchun tasvir480 × 552 (232 KB)SoerfmLevels, crop
14:33, 25-Mart 200514:33, 25-Mart 2005 dagi versiya uchun tasvir480 × 585 (87 KB)ShizhaoA replica of an ancient Chinese Siesmograph from Eastern Han Dynasty (25-220 CE) This picture was taken in July 2004 from an exhibition at Chabot Space & Science Center in Oakland California. The plaque of the exhibit said: <b>Detecting a Quake</b> <br>

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