File:EB1911 Telegraph - Muirhead's Siphon Recorder.jpg
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Size of this preview: 800 × 577 pixels. Other resolutions: 320 × 231 pixels | 640 × 462 pixels | 1,024 × 738 pixels | 1,237 × 892 pixels.
Original file (1,237 × 892 pixels, file size: 245 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:11, 1 March 2016 | 1,237 × 892 (245 KB) | Library Guy | {{Information |Description ={{en|1=A siphon recorder, constructed by Dr Muirhead, and now in general use. The magnet between the poles of which the rectangular signal coil moves is built up of a number of thin flat horseshoe-shaped permanent magnet... |
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