File:Ibn Sahl manuscript.jpg

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DescriptionIbn Sahl manuscript.jpg	English: Milli MS 867, fol. 7r, Milli Library, Tehran (Ibn Sahl's treatiser on optics). reproduced from Rashed, R. "A pioneer in anaclastics: Ibn Sahl on burning mirrors and lenses", Isis 81, p. 464–491, 1990. [p. 465].
Date	1990 (reproduction); age of manuscript unknown (Ottoman era?)
Source	Milli MS 867, fol. 7r, Milli Library, Tehran
Author	Ibn Sahl (Abu Sa`d al-`Ala' ibn Sahl) (c. 940-1000)

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	Date/Time	Dimensions	User	Comment
current	17:21, 14 October 2017	1,012 × 1,458 (337 KB)	Dicklyon	Less-crunchy jpeg, reprocessed from the PDF on JSTOR.
	04:18, 14 November 2013	1,139 × 1,471 (396 KB)	Dicklyon	cleaned up jpg image
	16:41, 4 January 2008	1,139 × 1,471 (168 KB)	Thuresson	larger
	16:11, 30 December 2007	275 × 355 (17 KB)	Quatrostein	{{Information \|Description=Manuscript van Ibn Sahl (10de eeuw) \|Source=en.wikipedia.org/wiki/Ibn_Sahl \|Date=14 juli 2005 \|Author=Unknown \|Permission= \|other_versions= }}

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Short title	A Pioneer in Anaclastics: Ibn Sahl on Burning Mirrors and Lenses
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CC 2015 (Macintosh)
File change date and time	10:19, 14 October 2017
Color space	Uncalibrated
Date and time of digitizing	17:06, 14 October 2017
Date metadata was last modified	03:19, 14 October 2017
Unique ID of original document	xmp.did:4f41dc65-a1b6-4a29-bb77-38b759df38b7