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A Record Breaking Problem

pdf    ps


Richard E. Hill

4632 E. 14th Street, Tucson, AZ 85711


Recieved 29 May 1987




Tests were made to examine the fading of a number of inks with exposure to sunlight. Tests were also made to examine the stability of electro-static copies (xeroxes). The results have important implications for amateur astronomers and all others who maintain written records.


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