Optical Illusions

From the basic illusion lines with two arrow heads facing out and in, appearing to be of different lengths, to complex computer graphics and artist designed illusions, illusions have always had a fascination for me. It is the very material on which magic acts rely.
This journal is for illusions of all sorts from the earliest realisation that using converging lines to give an illusion of perspective in art, to practical jokes such as the complicated art installation perpetrated as an April Fool’s day prank in Copenhagen (shown overleaf). They may be your own or ones you have found and enjoyed.
Yesterday Mark found a website with a fascinating illusion, so the time was ripe for me to create this journal!
Please make sure you relist by the number shown opposite within two weeks of receipt, and whilst being prepared to send onwards promptly, only accept requests for journals from friends of the journal library. If your moocher is unknown to you, please check that they understand what journalling is and will keep journals circulating. Enquiries and pictures for inclusion in the slideshows of the journals on their Bookmooch pages can be sent to bmjournals@gmail.com The need for repairs or request for me to mooch when full should be to
Gill T. tennantfamily:U.K. or the Bookmooch Journal Library Maintainer bmjl: (Heard and McDonald Islands).

This journal has been marked as lost in the post.

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