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Small Uniphase HeNe laser, Lexel 88 Argon Ion Laser, and power supply.
Contributed and licensed under the GFDL by the photographer, Gregory Maxwell.
I, the copyright holder of this work, hereby publish it under the following licence:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation Licence, Version 1.2 only as published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the licence is included in the section entitled GNU Free Documentation Licence.