# \#illusion

**URL:** https://scanalyst.fourmilab.ch/tag/illusion/4679.md

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## [Engage Cloaking Device! — It's Done with Mirrors](https://scanalyst.fourmilab.ch/t/engage-cloaking-device-its-done-with-mirrors/3633)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 1\
**Last updated:** [20 August 2023 17:10 UTC](https://scanalyst.fourmilab.ch/t/engage-cloaking-device-its-done-with-mirrors/3633 "2023-08-20T17:10:42Z")

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This is similar to “The Mystery of the Floating Head” in Herrmann’s Book of Magic (full text), originally published in 1903 and in a Web edition at Fourmilab in July, 2006. This trick adds two mirrors to r…