File:EB1911 Telegraph - Wheatstone Punching Apparatus.jpg
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EB1911_Telegraph_-_Wheatstone_Punching_Apparatus.jpg (495 × 159 pixels, file size: 19 KB, MIME type: image/jpeg)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:33, 24 February 2016 | | 495 × 159 (19 KB) | commons>Library Guy | {{Information |Description ={{en|1=In the Wheatstone automatic apparatus three levers are placed side by side, each acting on a set of small punches and on mechanism for feeding the paper forward a step after each operation of the levers. The punche... |
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