File:EB1911 Telegraph - Wheatstone Punching Apparatus.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:33, 24 February 2016		495 × 159 (19 KB)	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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