ON 20110413@1:04:40 PM at page: On a web page you were interested in at: http://techref.massmind.org/Techref/pcb/etch/CuCl2Calc.htm#40646.5449074074 James Newton[JMN-EFP-786] See also: http://www.totse2.com/easy-e/cupricchloride.htm Copied with Erik's permission from his original page ERROR: Can't email. At least one recipient is required, but none were found. ON 20110413@1:13:39 PM at page: On a web page you were interested in at: http://techref.massmind.org/Techref/pcb/etch/cucl2.htm#40646.5511458333 James Newton[JMN-EFP-786] See also: http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html Copied from the authors original page in keeping with his copyright instructions ("Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts") and the terms of the GNU Free Documentation License, Version 1.2 ERROR: Can't email. At least one recipient is required, but none were found. ON 20110413@1:16:01 PM at page: On a web page you were interested in at: http://techref.massmind.org/Techref/pcb/etch/cucl2.htm# James Newton[JMN-EFP-786] edited the page. Difference: http://techref.massmind.org/techref/diff.asp?url=\Techref\pcb\etch\cucl2.htm&version=1 ERROR: Can't email. At least one recipient is required, but none were found.