File:Simpson James Young signature picture.jpg

Simpson_James_Young_signature_picture.jpg ‎(414 × 562 pixels, file size: 70 KB, MIME type: image/jpeg)

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:55, 6 May 2012		414 × 562 (70 KB)	Materialscientist	redone using File:James Young Simpson.jpg

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