Image: Roy Markham signature
Roy_Markham_signature.jpg (347 × 136 pixels, file size: 18 KB, MIME type: image/jpeg)
Description: signature of Roy Markham FRS
Title: Roy Markham signature
Credit: Own work
Author: Corgimwch
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
Image usage
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