Negative Afterimage and Other Visual Experiments, Mary J. Johnston

Negative Afterimage
and Other Visual Experiments

Terms, Conditions and Copyright Information

Mary J. Johnston owns the property rights for information made available on this website. Permission is granted to copy material freely provided that:

Copied mateial is for non-commercial, personal, or educational purposes.
All content remain unchanged.
Full credit and acknowledgement are freely given and include my copyright notice.
No commercial use of any content.
No content put onto your website or any other website.
Third party link sites are not endorsements and are provided as a convenience and the contents are subject only to the owner's control of that site.