Original file (663 × 707 pixels, file size: 159 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:58, 2 May 2021 |
![]() | 663 × 707 (159 KB) | Materialscientist | FFT |
18:53, 30 April 2010 |
![]() | 663 × 707 (75 KB) | Chetvorno | {{Information |Description={{en|A Wikipedia:coherer, a crude radio detector used in the first radio receivers from about 1895 to 1906 during the Wikipedia:wireless telegraphy era. It is a tube containing metal powder between two electrodes.}} | |
Original file (663 × 707 pixels, file size: 159 KB, MIME type: image/jpeg)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 15:58, 2 May 2021 |
![]() | 663 × 707 (159 KB) | Materialscientist | FFT |
18:53, 30 April 2010 |
![]() | 663 × 707 (75 KB) | Chetvorno | {{Information |Description={{en|A Wikipedia:coherer, a crude radio detector used in the first radio receivers from about 1895 to 1906 during the Wikipedia:wireless telegraphy era. It is a tube containing metal powder between two electrodes.}} | |