File:Telegraph.png

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Telegraph.png ‎(220 × 575 pixels, file size: 1 KB, MIME type: image/png)

Image of entire original Summers telegraph at scale 2^4:1

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:48, 5 February 2018		220 × 575 (1 KB)	Apple Bottom (talk \| contribs)	Rotated 90° clockwise, to avoid overstretching infobox
	13:04, 19 August 2017		575 × 220 (3 KB)	Dvgrn (talk \| contribs)	Image of entire original Summers telegraph at scale 2^4:1

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Horizontal resolution	37.79 dpc
Vertical resolution	37.79 dpc