File:Hospitalier Ondograph.png
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Size of this preview: 800 × 532 pixels. Other resolutions: 320 × 213 pixels | 640 × 426 pixels | 1,024 × 681 pixels | 1,280 × 851 pixels | 2,460 × 1,636 pixels.
Original file (2,460 × 1,636 pixels, file size: 1.75 MB, MIME type: image/png)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:03, 3 July 2008 | | 2,460 × 1,636 (1.75 MB) | commons>DMahalko | == Summary == === Illustration Description === Figure 2958 -- View of Hospitalier Ondograph In operation, a long pivoted pointer carrying a pen and actuated by electromagnets, records on a revolving drum, a wave form representing the alternating current, |
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